
Equipment
Aquatop Classic Aqua Flow Sponge Filter.
An Aquatop Classic Aqua Flow sponge filter sized for tanks up to 10 gallons — great for nano tanks, betta setups, and breeder boxes where gentle flow matters.
In-store purchase only. There is no online checkout on this site. Pick this up at our Erie store, or call us to arrange shipping.
- Brand
- Aquatop
- Condition
- new
- Fulfillment
- Local pickup — Erie, PA
Pick this up at the shop, or ask us to ship it. Shipping cost depends on the item, so call (814) 456-9445 and we'll quote it — payment is taken upfront before the order goes out.
What it's for
Underlined topics open the guide that explains how they work.
- gentle biological filtration for nano tanksBiological filtrationThe bacteria that turn fish waste into something harmless. The real filter.In How to build an easy freshwater sump — no drilling, no cut glass
- betta and shrimp safe low-flow filterCirculation & flowMoving the water around so there are no dead spots and oxygen gets everywhere.In How to beat aquarium algae: ID and fix every common type
- breeder box and fry tank filtration
- air-driven aquarium filtrationCirculation & flowMoving the water around so there are no dead spots and oxygen gets everywhere.In How to beat aquarium algae: ID and fix every common type
- low-current sponge filtrationMechanical filtrationStraining waste, uneaten food and debris out of the water before it breaks down.In How to build an easy freshwater sump — no drilling, no cut glass
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Set it up right
Guides that use this.

How to cycle a new aquarium: the nitrogen cycle, step by step
A new tank has no bacteria yet, so the first fish you add are the ones that pay for it. Here's the fishless cycle start to finish, plain, from us at Sea Cave in Erie.
Read the guide
How to quarantine new fish (and treat sick ones): the QT tank
Everyone gets the same advice: quarantine new fish. Then they picture a second tank to scrub and stock, and skip it. The truth is a QT (quarantine tank) is the barest tank you'll ever run, and it's the single best way to keep ich and other diseases out of the display you actually care about.
Read the guide
Visit the store
660 East 14th Street,
Erie, PA.
Mon–Fri 12–6 · Sat 11–4 · Sun closed. Call ahead on livestock — what's on the floor rotates.



