Bioreactors and Fermenters

Buy used and refurbished bioreactors and fermenters from mLab Supply. We source benchtop bioreactors, parallel bioreactor systems, and single-use bioreactor platforms from Sartorius, Eppendorf, Thermo Scientific, Applikon Biotechnology, and Cytiva for pharmaceutical, biotech, academic, and contract research organizations running cell-culture and fermentation workflows. Systems are available for mammalian cell culture, microbial fermentation, and bioprocess development applications. Submit a quote request for current availability, configuration details, and pricing.

<h2>How to Choose a Bioreactor or Fermenter</h2>
<p>Selecting a bioreactor or fermenter requires evaluating your process requirements before sourcing a used or refurbished unit. The following considerations help narrow the field and avoid costly mismatches.</p>
<ul>
<li><strong>Intended cell type or organism:</strong> Mammalian cell culture, microbial fermentation, insect cell culture, and plant cell culture each impose different requirements on vessel design, agitation, aeration, and control. Confirm that the instrument type and vessel configuration are appropriate for your organism before sourcing.</li>
<li><strong>Process scale and vessel working volume:</strong> Benchtop bioreactors typically range from approximately 0.5 L to 20 L working volume. Confirm the working volume range of the vessel and whether it matches your process scale. Vessel working volume is distinct from total vessel volume.</li>
<li><strong>Benchtop vs. larger-scale systems:</strong> Benchtop systems are suited to process development, optimization, and small-scale production. Larger pilot-scale and production-scale systems require more infrastructure and are less commonly available on the secondary market. Confirm footprint, utility, and installation requirements before sourcing.</li>
<li><strong>Reusable vs. single-use:</strong> Reusable glass or stainless-steel vessels require cleaning, sterilization, and maintenance between runs. Single-use bioreactors use disposable bags or vessels that eliminate cleaning validation but require compatible consumables. Confirm consumable availability and cost before sourcing a single-use platform.</li>
<li><strong>Control requirements:</strong> Evaluate the controller's ability to manage the parameters your process requires. More complex processes may require multi-loop control, cascade control, or integration with external sensors and data systems.</li>
<li><strong>Agitation:</strong> Confirm agitation type (stirred-tank, rocking, orbital, or other), impeller configuration, and speed range. Agitation requirements differ significantly between mammalian cell culture (shear-sensitive) and microbial fermentation (high oxygen demand).</li>
<li><strong>Aeration and gas control:</strong> Confirm sparger type, gas inlet configuration, and whether the controller supports multi-gas blending (air, O₂, CO₂, N₂). Dissolved oxygen control strategy (cascade to agitation, airflow, or gas blending) should match your process requirements.</li>
<li><strong>pH and dissolved oxygen:</strong> Confirm that pH and dissolved oxygen probes and control loops are included or available. Probe compatibility with the vessel and controller is an important sourcing consideration.</li>
<li><strong>Temperature control:</strong> Confirm the heating and cooling method (jacketed vessel, heating blanket, or external circulator) and the temperature range supported. Confirm that the temperature control system is functional on any sourced unit.</li>
<li><strong>Parallel-vessel needs:</strong> For process development requiring simultaneous multi-condition experiments, parallel bioreactor systems such as the DASGIP platform offer multiple independently controlled vessels in a single system. Confirm the number of vessels, working volume per vessel, and controller architecture.</li>
<li><strong>Process-development vs. production use:</strong> Process development applications typically prioritize flexibility, data logging, and ease of configuration changes. Production applications may require additional documentation, validation support, and regulatory considerations. Confirm what documentation is available for any sourced unit before committing to a production application.</li>
</ul>

<h2>Bioreactor and Fermenter Types</h2>
<p>"Bioreactor" is the broader term covering any controlled vessel used to support biological reactions, including mammalian cell culture, microbial fermentation, and other bioprocesses. "Fermenter" is commonly used specifically for microbial fermentation applications, though the terms are often used interchangeably in the industry.</p>
<h3>Benchtop Bioreactors</h3>
<p>Benchtop bioreactors are compact, self-contained systems designed for laboratory-scale cell culture and fermentation. They typically include a vessel, controller, agitation drive, and integrated control of pH, dissolved oxygen, temperature, and airflow. Benchtop systems are widely used for process development, media optimization, and small-scale production. Common benchtop models include the Sartorius BIOSTAT A and BIOSTAT B, and the Eppendorf BioFlo 120 and BioFlo 320. These systems support a range of vessel sizes and configurations and are available with glass or single-use vessels depending on the model and configuration.</p>
<h3>Parallel Bioreactor Systems</h3>
<p>Parallel bioreactor systems allow multiple independent bioreactor vessels to be operated simultaneously under individually controlled conditions. They are used for high-throughput process development, design-of-experiments (DoE) studies, and media and feed optimization. The DASGIP Parallel Bioreactor System is a representative example, offering multiple independently controlled vessels with shared or individual gas control, pH, dissolved oxygen, and temperature loops. Parallel systems require careful evaluation of controller architecture, vessel count, and working volume per vessel when sourcing.</p>
<h3>Single-Use Bioreactors</h3>
<p>Single-use bioreactors use disposable bags or vessels in place of reusable glass or stainless-steel vessels. They eliminate cleaning validation and reduce cross-contamination risk between runs. Single-use platforms consist of a reusable hardware frame or drive unit and a consumable bag or vessel assembly. The Thermo Scientific HyPerforma 5:1 Single-Use Bioreactor and the Cytiva Xcellerex XDR-10 are representative single-use platforms. When sourcing a used single-use bioreactor, the hardware unit is the primary asset; consumable bags are not included and must be sourced separately. Confirm consumable compatibility and availability before sourcing the hardware.</p>
<h3>Fermenters</h3>
<p>Fermenters are bioreactors optimized for microbial fermentation applications, including bacterial, yeast, and fungal cultures. They typically feature higher agitation speeds, more aggressive aeration, and vessel designs suited to the higher oxygen demand and heat generation of microbial processes compared to mammalian cell culture. Many benchtop bioreactor platforms support both mammalian and microbial applications through interchangeable vessel configurations and control parameter adjustments. Confirm that the sourced unit's agitation range, sparger configuration, and vessel design are appropriate for your specific microbial process.</p>

<h2>Popular Bioreactor Manufacturers and Models</h2>
<p>mLab Supply sources bioreactors and fermenters from leading manufacturers including Sartorius, Eppendorf, Thermo Scientific, Applikon Biotechnology, and Cytiva. Common models available to source include:</p>
<ul class="mlab-collection-model-grid">
<li>Sartorius BIOSTAT A</li>
<li>Sartorius BIOSTAT B</li>
<li>Eppendorf BioFlo 120</li>
<li>Eppendorf BioFlo 320</li>
<li>Eppendorf DASGIP Parallel Bioreactor System</li>
<li>Thermo Scientific HyPerforma 5:1 Single-Use Bioreactor</li>
<li>Applikon Biotechnology ez-Control</li>
<li>Cytiva Xcellerex XDR-10</li>
</ul>
<p>Model availability varies. Submit a quote request to confirm current sourcing options for a specific model or configuration.</p>

<h2>Key Configuration Considerations</h2>
<h3>Vessel Size and Working Volume</h3>
<p>Vessel working volume determines the scale of your process. Confirm the minimum and maximum working volume for the vessel included with or compatible with the sourced unit. Some bioreactor platforms support multiple vessel sizes through interchangeable vessel assemblies. Confirm which vessel size is included and whether additional vessel sizes are available separately.</p>
<h3>Agitation</h3>
<p>Agitation type, impeller configuration, and speed range are critical parameters. Stirred-tank bioreactors use rotating impellers; rocking bioreactors use a rocking motion to mix and oxygenate the culture. Confirm agitation type, impeller type (Rushton, pitched-blade, marine, or other), and speed range. For mammalian cell culture, confirm that the agitation system operates within shear-sensitive limits. For microbial fermentation, confirm that the agitation system can achieve the higher speeds and oxygen transfer rates required.</p>
<h3>Aeration and Gas Control</h3>
<p>Confirm sparger type (ring sparger, microsparger, or open-pipe), gas inlet configuration, and whether the controller supports multi-gas blending. For mammalian cell culture, microspargers and overlay aeration are commonly used to minimize shear from bubbles. For microbial fermentation, higher airflow rates and ring spargers are typical. Confirm that the gas control modules and mass flow controllers are functional and calibrated on any sourced unit.</p>
<h3>pH and Dissolved Oxygen</h3>
<p>pH and dissolved oxygen (DO) control are standard features on most bioreactor controllers. Confirm that pH and DO probes are included with the sourced unit, that they are compatible with the vessel and controller, and that the control loops are functional. Probe condition and calibration history are important considerations. Replacement probes can be a significant ongoing cost; confirm probe model compatibility before sourcing.</p>
<h3>Temperature Control</h3>
<p>Confirm the temperature control method (jacketed vessel with external circulator, integrated heating/cooling, or heating blanket) and the supported temperature range. Confirm that the temperature control system achieves and maintains the required setpoint. For mammalian cell culture, precise temperature control near 37°C is critical. For microbial fermentation, higher temperatures and more aggressive cooling may be required.</p>
<h3>Controller Architecture</h3>
<p>Bioreactor controllers vary significantly in architecture, software, and connectivity. Confirm whether the controller uses proprietary software, whether that software is included with the sourced unit, and whether it is compatible with your operating system and data infrastructure. Some controllers support OPC-UA, SCADA integration, or 21 CFR Part 11-compliant data logging; confirm these capabilities if required for your application. Controller firmware version and update availability are also relevant considerations for long-term use.</p>

<h2>Buying Used and Refurbished Bioreactors</h2>
<p>Used and refurbished bioreactors represent a cost-effective option for process development and research applications. When evaluating a sourced unit, consider the following:</p>
<ul>
<li><strong>Controller condition:</strong> Confirm that the controller powers on, all control loops function, and the display and interface are operational. Test pH, DO, temperature, and agitation control loops where possible.</li>
<li><strong>Vessel condition:</strong> Inspect glass vessels for cracks, chips, or etching. Inspect stainless-steel vessels for corrosion, pitting, or damage to welds and ports. Confirm that all ports, fittings, and seals are intact and compatible with your process requirements.</li>
<li><strong>Agitation drive:</strong> Confirm that the agitation motor and drive assembly operate smoothly across the full speed range. Inspect the drive shaft, magnetic coupling (if applicable), and impeller attachment for wear or damage.</li>
<li><strong>Pumps:</strong> Confirm that peristaltic pumps for acid, base, antifoam, and feed additions are functional and that pump tubing is available. Pump head condition and tubing compatibility are important considerations.</li>
<li><strong>Gas-control modules:</strong> Confirm that mass flow controllers and gas solenoids are functional and within calibration. Gas control module condition directly affects dissolved oxygen and pH control performance.</li>
<li><strong>Probes and sensors:</strong> Confirm which pH, dissolved oxygen, temperature, and other sensors are included. Assess probe condition and remaining useful life. Confirm probe compatibility with the controller and vessel.</li>
<li><strong>Cabling and connectors:</strong> Inspect all cables and connectors for damage, corrosion, or missing components. Proprietary cables and connectors can be difficult to source separately.</li>
<li><strong>Included accessories:</strong> Confirm which accessories are included — vessels, impellers, spargers, probes, pump heads, tubing, and other components. Accessories are often sold separately and can add significant cost.</li>
<li><strong>Software and firmware:</strong> Confirm that controller software is included and functional. Verify software version compatibility with your operating system. Confirm firmware version and whether updates are available.</li>
<li><strong>Documentation and service history:</strong> Where available, review calibration records, preventive maintenance history, and any prior repair documentation. Documentation is particularly important for regulated or GMP-adjacent applications.</li>
<li><strong>Sterilization compatibility:</strong> For reusable vessels, confirm that the vessel and associated components are compatible with your sterilization method (autoclave, in-situ steam sterilization, or chemical sterilization). Confirm that all seals, gaskets, and fittings are rated for the sterilization conditions required.</li>
<li><strong>Missing proprietary components:</strong> Some bioreactor platforms use proprietary probes, connectors, vessels, or consumables that are difficult or expensive to source separately. Confirm that all required proprietary components are included or available before sourcing.</li>
</ul>
<p>Included components, condition, and available documentation vary by sourced unit. mLab Supply is not an authorized dealer for any bioreactor manufacturer.</p>

<h2>Single-Use Bioreactor Considerations</h2>
<p>Single-use bioreactors require additional evaluation beyond standard reusable bioreactor considerations.</p>
<ul>
<li><strong>Hardware vs. consumable bag/vessel:</strong> The hardware unit (drive frame, controller, agitation drive, and associated electronics) is the reusable asset. The bag or vessel assembly is a consumable that must be replaced for each run. When sourcing a used single-use bioreactor, confirm that the hardware unit is complete and functional. Consumable bags are not included in sourced hardware units.</li>
<li><strong>Compatible consumables:</strong> Confirm that compatible consumable bags or vessel assemblies are currently available from the manufacturer or a compatible supplier. Single-use consumable availability can change over time as manufacturers update product lines. Confirm bag catalog numbers and current availability before committing to a hardware platform.</li>
<li><strong>Controller compatibility:</strong> Confirm that the controller version is compatible with currently available consumable bags and sensor assemblies. Controller firmware updates may be required for compatibility with newer consumable versions.</li>
<li><strong>Sensor architecture:</strong> Single-use bioreactors typically use pre-installed sensors in the bag assembly (pH, DO, temperature) that connect to the hardware unit via optical or electrochemical interfaces. Confirm that the hardware unit's sensor interfaces are functional and compatible with available bag assemblies.</li>
<li><strong>Agitation drive:</strong> Single-use bioreactors use various agitation mechanisms including rocking platforms, magnetically coupled impellers, and orbital shaking. Confirm that the agitation drive is functional and compatible with available bag assemblies.</li>
<li><strong>Bag and vessel availability:</strong> Confirm that bags in the required size and configuration are currently available. Bag availability is a critical supply-chain consideration for single-use platforms.</li>
<li><strong>Scale and configuration:</strong> Single-use bioreactors are available in a range of scales. Confirm that the hardware unit's scale and configuration match your process requirements and that compatible bags are available in the required working volume.</li>
<li><strong>Supply-chain considerations:</strong> Single-use platforms create an ongoing dependency on consumable supply. Confirm supplier lead times, minimum order quantities, and pricing for consumables before committing to a single-use hardware platform.</li>
</ul>

<h2>Software, Controls, and Data Systems</h2>
<p>Bioreactor control software is a critical component of any bioreactor system and requires careful evaluation when sourcing a used unit.</p>
<ul>
<li><strong>Local controller interfaces:</strong> Many bioreactor controllers include a built-in touchscreen or panel interface for direct control of process parameters. Confirm that the local interface is functional and that all control loops are accessible and responsive.</li>
<li><strong>Process-control software:</strong> Many bioreactor platforms use proprietary PC-based software for process monitoring, control, and data logging. Examples include Sartorius MFCS/win or BioPAT MFCS, Eppendorf DASware control, and Thermo Scientific HyPerforma software. Confirm whether PC-based software is included with the sourced unit.</li>
<li><strong>Recipes and process programs:</strong> Some controllers support stored process recipes or programs. Confirm whether existing recipes are included and whether they are transferable to your process environment.</li>
<li><strong>Data logging:</strong> Confirm the data logging capabilities of the controller and software, including logging frequency, data export formats, and storage capacity. For regulated applications, confirm whether the system supports audit-trail and electronic-record requirements.</li>
<li><strong>Software versions and compatibility:</strong> Confirm the software version included with the sourced unit and whether it is compatible with your current operating system. Older software versions may not run on current Windows versions without compatibility configuration.</li>
<li><strong>Licensing:</strong> Some bioreactor software requires a license tied to a specific controller or PC. Confirm whether a valid license is included with the sourced unit and whether it is transferable. Software licensing terms vary by manufacturer and system.</li>
<li><strong>Computer and controller compatibility:</strong> Some systems require a dedicated PC with specific hardware or operating system requirements. Confirm whether a PC is included with the sourced unit or whether you will need to source a compatible PC separately.</li>
<li><strong>Networking considerations:</strong> For systems intended for integration with LIMS, SCADA, or facility data networks, confirm available communication interfaces (Ethernet, OPC-UA, Modbus, or other) and whether the controller firmware supports the required protocols.</li>
</ul>
<p>Software inclusion, licensing status, and version compatibility vary by sourced unit. Confirm all software details when requesting a quote.</p>

<h2>Documentation and Qualification</h2>
<p>Documentation availability varies significantly across sourced bioreactor systems. When evaluating a used or refurbished unit, confirm what documentation is available:</p>
<ul>
<li><strong>Manuals:</strong> Operator manuals, service manuals, and spare-parts lists are important for ongoing operation and maintenance. Confirm whether original manuals are included or available from the manufacturer.</li>
<li><strong>Service records:</strong> Where available, review preventive maintenance records and any prior repair or service documentation. Service history provides insight into the instrument's operational history and potential areas of concern.</li>
<li><strong>Calibration records:</strong> Calibration records for pH, dissolved oxygen, temperature, and gas flow controllers are important for establishing a baseline for the sourced unit. Confirm whether calibration records are available and when the last calibration was performed.</li>
<li><strong>IQ/OQ documentation:</strong> Installation Qualification and Operational Qualification documentation may be available for some sourced systems, particularly those from regulated environments. Confirm availability when requesting a quote.</li>
<li><strong>Configuration records:</strong> Records of the system's original configuration, installed options, and any modifications are useful for understanding the system's capabilities and history.</li>
<li><strong>Serial-number traceability:</strong> Confirm that the instrument's serial number is legible and traceable. Serial-number traceability supports manufacturer service inquiries and spare-parts sourcing.</li>
</ul>
<p>Suitability of a used or refurbished bioreactor for regulated use depends on the buyer's qualification protocols, validation requirements, SOPs, documentation standards, quality system requirements, and intended use. mLab Supply does not make representations about GMP suitability or regulatory compliance for any sourced instrument. Buyers are responsible for determining whether a sourced unit meets their quality system and regulatory requirements.</p>

<h2>Applications</h2>
<p>Bioreactors and fermenters support a broad range of cell culture, fermentation, and bioprocess applications, including:</p>
<ul>
<li>Mammalian cell culture for recombinant protein, antibody, and biologics production</li>
<li>Microbial fermentation using bacterial, yeast, and fungal organisms</li>
<li>Recombinant protein production and purification process development</li>
<li>Upstream bioprocess development and optimization</li>
<li>Media and feed strategy optimization</li>
<li>Scale-up studies from shake flask to benchtop to pilot scale</li>
<li>Vaccine and viral vector development and production</li>
<li>Biologics and biosimilar process development</li>
<li>Academic and institutional bioprocess research</li>
<li>Contract research and contract development organization (CRO/CDMO) workflows</li>
</ul>
<p>Application suitability depends on instrument configuration, vessel type, control capabilities, and process requirements. Confirm that the sourced unit's specifications match your application before sourcing.</p>

<h2>Bioreactors vs. Fermenters</h2>
<p>"Bioreactor" is the broader commercial and scientific term for any controlled vessel used to support a biological process. It encompasses mammalian cell culture, microbial fermentation, insect cell culture, and other bioprocesses. "Fermenter" is commonly used specifically for vessels running microbial fermentation processes — bacterial, yeast, or fungal cultures — though the terms are frequently used interchangeably in industry and academia.</p>
<p>From a buyer's perspective, the practical distinction is in the vessel and agitation design: fermenters for microbial use typically feature higher agitation speeds, more aggressive aeration, and vessel configurations suited to the higher oxygen demand and heat output of microbial cultures. Bioreactors for mammalian cell culture prioritize gentle agitation, precise gas control, and shear-sensitive design. Many modern benchtop platforms support both applications through interchangeable vessel configurations.</p>
<p>Whether you are searching for a bioreactor for sale or a fermenter for sale, the listings on this page cover both instrument types. Use the quote request form to specify your organism, process scale, and control requirements so our sourcing team can identify the most suitable available system.</p>

<h2>Procurement and Logistics Support</h2>
<p>mLab Supply supports institutional and organizational purchasing for bioreactors, fermenters, and related bioprocess equipment. Our sourcing team can assist with:</p>
<ul>
<li>Formal written quotations for procurement and budget approval</li>
<li>Institutional purchase order processing</li>
<li>Vendor onboarding and supplier documentation</li>
<li>Net 30 payment terms for qualified organizations — see our <a href="/pages/net-30-credit-terms">Net 30 Credit Terms</a> page for details</li>
<li>Sourcing specific models, configurations, vessel sizes, and accessory combinations on request</li>
<li>Multi-unit sourcing for core facilities, CDMOs, and larger laboratory buildouts</li>
<li>Freight coordination for larger bioreactor systems — pilot-scale and larger systems may require freight shipping, liftgate service, or inside delivery. Confirm site access and delivery requirements when requesting a quote.</li>
<li>Deinstallation planning for larger systems where applicable — for organizations decommissioning bioreactor systems, mLab Supply can discuss equipment purchasing and logistics coordination.</li>
</ul>
<p>To initiate a quote or discuss procurement requirements, use our <a href="/pages/request-a-quote">Request a Quote</a> form.</p>

<h2>Related Laboratory Equipment</h2>
<p>Bioreactors and fermenters are commonly used alongside other laboratory instruments for cell culture support, downstream processing, and sample management. Related equipment available to source from mLab Supply includes <a href="/collections/incubator-shakers">Incubator Shakers</a> and <a href="/collections/orbital-shakers">Orbital Shakers</a> for shake-flask culture and pre-culture workflows, <a href="/collections/centrifuges">Centrifuges</a> for cell harvesting and downstream processing, <a href="/collections/ultra-low-temperature-freezers">Ultra-Low Temperature Freezers</a> for cell banking and sample storage, and <a href="/collections/automated-liquid-handlers">Automated Liquid Handlers</a> for media preparation and high-throughput sampling workflows. Browse our full <a href="/collections/labequipment">laboratory equipment catalog</a> or visit our <a href="/collections/thermo-scientific">Thermo Scientific Laboratory Equipment</a> page for additional Thermo Scientific instruments. To discuss sourcing requirements, use our <a href="/pages/request-a-quote">Request a Quote</a> form.</p>

<h2>Frequently Asked Questions</h2>
<div class="mlab-collection-faq">
<details>
<summary>What is the difference between a bioreactor and a fermenter?</summary>
<div class="mlab-collection-faq__answer">
<p>"Bioreactor" is the broader term covering any controlled vessel used to support a biological process, including mammalian cell culture, microbial fermentation, and other bioprocesses. "Fermenter" is commonly used specifically for vessels running microbial fermentation — bacterial, yeast, or fungal cultures. In practice, the terms are often used interchangeably. The practical difference is in vessel and agitation design: fermenters for microbial use typically feature higher agitation speeds and more aggressive aeration than bioreactors designed for shear-sensitive mammalian cell culture. Many modern benchtop platforms support both applications through interchangeable vessel configurations.</p>
</div>
</details>
<details>
<summary>What size bioreactor should I choose?</summary>
<div class="mlab-collection-faq__answer">
<p>Bioreactor size is determined by your process scale and working volume requirements. Benchtop bioreactors typically range from approximately 0.5 L to 20 L working volume and are suited to process development, media optimization, and small-scale production. Pilot-scale systems range from approximately 20 L to several hundred liters and are used for scale-up studies and small-scale manufacturing. Confirm your required working volume, number of runs per week, and whether you need parallel vessels before sourcing. If you are unsure which scale is appropriate, submit a quote request with your process details and our sourcing team can help identify suitable options.</p>
</div>
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<summary>What is a benchtop bioreactor?</summary>
<div class="mlab-collection-faq__answer">
<p>A benchtop bioreactor is a compact, self-contained bioreactor system designed for laboratory-scale cell culture and fermentation. It typically includes a vessel (glass or single-use), a controller, an agitation drive, and integrated control of pH, dissolved oxygen, temperature, and airflow. Benchtop systems are widely used for process development, media and feed optimization, and small-scale production. Common benchtop models include the Sartorius BIOSTAT A and BIOSTAT B, and the Eppendorf BioFlo 120 and BioFlo 320.</p>
</div>
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<details>
<summary>What is a single-use bioreactor?</summary>
<div class="mlab-collection-faq__answer">
<p>A single-use bioreactor uses a disposable bag or vessel assembly in place of a reusable glass or stainless-steel vessel. The hardware unit — including the drive frame, controller, and agitation drive — is reusable. The bag or vessel assembly is a consumable that is replaced for each run, eliminating cleaning validation and reducing cross-contamination risk. When sourcing a used single-use bioreactor, the hardware unit is the primary asset. Consumable bags are not included and must be sourced separately. Confirm consumable availability and compatibility before committing to a single-use hardware platform.</p>
</div>
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<details>
<summary>Do used bioreactors include vessels, probes, and controllers?</summary>
<div class="mlab-collection-faq__answer">
<p>Included components vary by sourced unit. Some listings include a complete system with vessel, controller, probes, pumps, and accessories. Others may be controller-only, vessel-only, or missing specific components. Confirm exactly which components are included when requesting a quote. Probes, vessels, pump heads, and other accessories are often sold separately and can add significant cost to the total system price.</p>
</div>
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<details>
<summary>Does software come with a used bioreactor?</summary>
<div class="mlab-collection-faq__answer">
<p>Software inclusion varies by sourced unit. Some systems include the original process-control software; others do not. Where software is included, confirm the version, operating system compatibility, and whether a valid license is included and transferable. Some bioreactor software licenses are tied to a specific controller or PC and may not be transferable. Confirm all software details when requesting a quote.</p>
</div>
</details>
<details>
<summary>What should I inspect before buying a used bioreactor?</summary>
<div class="mlab-collection-faq__answer">
<p>Key inspection points include: controller function (all control loops, display, and interface); vessel condition (cracks, corrosion, port integrity); agitation drive (motor, shaft, impeller, magnetic coupling); peristaltic pumps (pump heads, tubing availability); gas-control modules and mass flow controllers; pH, DO, and temperature probes (condition, compatibility, remaining useful life); cabling and connectors; included accessories; software and firmware; service and calibration history; and sterilization compatibility for reusable vessels. For regulated applications, confirm what qualification documentation is available or can be generated for the sourced unit.</p>
</div>
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<summary>Can mLab Supply source specific Sartorius, Eppendorf, Thermo Scientific, Cytiva, or Applikon systems?</summary>
<div class="mlab-collection-faq__answer">
<p>Yes. If a specific model or configuration is not currently listed, submit a quote request with the model name, vessel size, required accessories, and any other specifications. Our sourcing team will search our supplier and secondary-market network and respond with available options, lead time estimates, and pricing. We source systems from Sartorius, Eppendorf, Thermo Scientific, Applikon Biotechnology, Cytiva, and other bioreactor manufacturers.</p>
</div>
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<summary>Are refurbished bioreactors suitable for GMP environments?</summary>
<div class="mlab-collection-faq__answer">
<p>Suitability for GMP use depends on your organization's quality system requirements, validation protocols, SOPs, documentation standards, and regulatory context — not solely on the instrument's refurbishment status. Some organizations successfully qualify and use refurbished bioreactors in GMP environments after completing appropriate IQ/OQ/PQ protocols with supporting documentation. Others require new instruments with full manufacturer documentation. Consult your quality assurance team to determine what documentation, calibration records, and qualification steps are required before sourcing a used unit for GMP applications. mLab Supply does not make representations about GMP suitability for any sourced instrument.</p>
</div>
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<summary>Does mLab Supply coordinate freight for larger bioreactor systems?</summary>
<div class="mlab-collection-faq__answer">
<p>Yes. Larger bioreactor systems — including pilot-scale stirred-tank bioreactors and parallel bioreactor platforms — may require freight shipping rather than standard parcel delivery. mLab Supply can coordinate freight logistics for larger systems. Freight requirements vary by instrument and destination and may include liftgate service, inside delivery, or rigging depending on your facility. Confirm site access, loading dock availability, and any special delivery requirements when requesting a quote so we can provide accurate freight information.</p>
</div>
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<details>
<summary>Does mLab Supply purchase surplus bioreactors and fermenters?</summary>
<div class="mlab-collection-faq__answer">
<p>Yes. mLab Supply purchases surplus and used laboratory equipment including bioreactors and fermenters. If your organization is decommissioning bioreactor systems, contact us through the <a href="/pages/request-a-quote">Request a Quote</a> page to discuss equipment valuation and purchasing options.</p>
</div>
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