The Oase BioCompact is a compact internal filter that packs three-stage filtration — mechanical, biological, and chemical — into one small, quiet, fully-submerged unit. It's a tidy, space-saving solution for smaller aquariums where an external canister would be overkill, delivering clean, clear water from a discreet in-tank package. Available as BioCompact 25 and 50 for different tank sizes.
Good to Know: Internal filters like this are simple and reliable — everything's in one submerged box, easy to install and service. The three media stages handle debris, beneficial-bacteria colonization, and chemical polishing. It's a good fit for nano and small community tanks, quarantine setups, or as supplemental filtration.
How to Use: Mount it inside the tank (suction cups included), fully submerged, and plug in. Rinse the foam in old tank water during maintenance to protect the biofilter, and replace media per the schedule.
Inventory Accuracy
If this item is at low stock, or you are ordering all or almost all of our current inventory, there may be an inventory discrepency. We will contact you about any issues as soon as possible.
Order Processing
Please allow 24 to
48 hrs to process your order. Expect an
email within 48 hrs to let you know your order is on your way.
Store Pickup
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in Store” at checkout, an email will be sent when your order is ready for
pickup. Orders can be picked up during
store hours, see our home page for our current hours. The pick up address is 6637 Easton Rd,
Pipersville, PA 18947
Domestic Shipping Rates
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