Aquatop CF Canister Filter Replacement Mediakeeps your CF-series canister filter running clean. Choose between fine mechanical polishing (white pad) and coarse pre-filter media (blue pad) depending on the stage you’re replacing. Both fit the Aquatop CF400 canister. Browse our full filter media & cartridges selection and the rest of the Aquatop lineup.
Choose Your Pad
| Variant | Job | Stage |
|---|---|---|
| CF400 Fine / White | Fine mechanical polishing — traps fine particulates for crystal-clear water | Final polishing stage |
| CF400 Coarse / Blue | Coarse pre-filter — catches larger debris and protects downstream media | First / pre-filter stage |
Specifications
| Brand | Aquatop |
| Fits | Aquatop CF400 canister filter |
| Media Type | Mechanical (fine polishing or coarse pre-filter) |
| Use With | Freshwater or saltwater aquariums |
Recommended Pairings
- Seachem Matrix Carbon — chemical filtration for crystal-clear water
- Red Sea Filter Media Bag (2-Pack) — for loose media like carbon or GFO
- Browse all filter media & cartridges
- Browse the Aquatop collection
FAQ
How often should I change the media?
Replace the fine/white polishing pad every 2–4 weeks (or sooner once clogged). The coarse/blue pre-filter can be rinsed and reused several times before replacement — swap it when it tears or stops flowing well.
Can I use these in saltwater?
Yes — mechanical filter media is fully reef-safe. Rinse new pads in tank water before installing to remove any loose fibers.
Do they fit other Aquatop CF models?
These specific variants are sized for the CF400. If you run a CF-300 or CF-500, check the Aquatop part number before ordering.
Should I rinse them before installing?
Yes — a quick rinse in dechlorinated water (or used tank water) clears loose fibers and seats the pad evenly in the canister tray.
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