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OASE BioMaster 2 850 External Filter
Model: BioMaster 2 850 · US configuration
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The standard US BioMaster² 850 is a non-Thermo external canister with a stated 225-US-gallon ceiling, removable EasyClean pre-filter and 8 L total filter volume; its heater is separate and that volume is not a media-basket figure.
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Explore this buying guide ↗Why consider this model?
- A large standard BioMaster external-filter assessment for a US setup where the 225-gallon maximum label, 8 L total filter-volume figure and removable pre-filter are useful comparison points, with the exact manual confirming beside-or-under placement.
Tradeoffs to weigh
- The maximum is not a complete aquarium-size interval, 8 L is not a media-basket rating, and the manufacturer flow figures conflict between its current US product page and exact US manual. Standard SKU 94697 does not include the separately available HeatUp heater, and no high-waste rating is documented.
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