Aquatop Classic Sponge Filter Medium - Up to 20gal Herbivore Does not affect pH or

Does not affect pH or beneficial bacteria

Fritz Maracyn always in stock - expert bacterial treatment guidance from Davenport

Large 1lb bag delivers exceptional value for daily feeding

14-inch scrubber

Includes test tubes

Aquatop Classic Sponge Filter Medium - Up to 20gal Herbivore Does not affect pH orA reliable, budget friendly sponge filter from Aquatop gentle biological filtration perfect for breeding tanks, fry tanks, and shrimp setups. Benefits Rated for tanks up to 20 gallons Gentle flow safe for fry, shrimp, and small fish Dense sponge provides excellent biological filtration surface area Easy to clean squeeze in old tank water during water changes Requires air pump to operate (sold separately) Key Specs Sponge filter, rated up to 20