No More Algae Tank Buddies Leaves aquarium water crystal clear. Works great in glass or acrylic tanks. Removes existing algae from aquarium water. Prevents and controls the formation of new algae. Inhibits the growth of free-floating algae blooms and algae that grows on the sides of glass and acrylic tanks. The fizz lets you know it's working. Remove carbon from filter during use. Do not use in tanks with live plants, snails or other invertebrates. Repeat treatment when algae growth begins to appear. If algae is already present on sides of aquarium, wipe clean with a Jungle Algae Remover Pad.