Aquatop Internal Sponge Filter Classic 180 Phosphate Remover Whole Oats

Whole Oats

For the immediate biological activation of filter media

Central hinges allow partial opening of the enclosure without having to remove any fixtures

DL-Methionine

Non-toxic and safe for freshwater and saltwater aquariums

Aquatop Internal Sponge Filter Classic 180 Phosphate Remover Whole OatsSponge filters have been around for decades and there's a reason these filters are so popular. Sponge filters do an excellent job of clearing impurities from aquarium water and are amazingly simple and inexpensive to operate. The Aquatop Classic 180 can be used in systems up to 180 gallons and is simple to install. Use it as a stand alone filter or for breeders and hatcheries; you won't be disappointed with its performance. Like all the Classic Sponge