🐠 BrightWater Bio Premium Cut-to-Fit Foam: Enhance Your Aquarium and Pond Filtration with Bio Sponge Pad - 2packs, 20 PPI Review

So far so good. Note that it's very thick and probably won't work with a mechanical filter because it restricts water flow so much. In any case, it should be a mechanical and a biofilter in one bottle. Seems to be very durable too.

This greatly reduces the use of carbon fill and even eliminates it altogether. Once the biosponge begins to contain beneficial bacteria, it helps establish the nitrogen cycle. In addition, maintenance is easy. Simply squeeze the bio-sponge into the aquarium water collected in the bucket when changing the water. This is not necessary with every water change, maybe every two to three months.

Breaking News: Experienced aquarists know that there is no need to use unnecessary disposable filters Your filter is telling you to use it. Instead, you can replace those filters with something like this that is both biologically and mechanically much more efficient and will last for years. No, you don't need activated carbon unless you have a problem in Your aquarium that requires its use - such as removing medication from the tank. And it only "activates" for a short time. For a day. So the…