Aquarium Solutions Bacto-Surge Biological Sponge Filter Black XL Substrate Gel will set at room

Gel will set at room temperature

Specifications (11

Ginger boosts the immune system for increased resistance to disease problems

or freezer for up to six months

it is suited for both glass and acrylic aquariums

Aquarium Solutions Bacto-Surge Biological Sponge Filter Black XL Substrate Gel will set at roomHighly porous sponge maximizes bacterial action Increased surface area offers maximum bacteria colonization Soft sponge material is easily cleaned Polyether foam for longer life Uplift tube and air diffuser combination provide maximum lift and won't easily clog Other uses: polishing filter for canister filter applications, hang on filter applications or uplift tubes of undergravel filters