No More Algae Liquid No more green water, No more algae growth, Attacks and prevents algae growth in aquariums in a safer, more effective way, Also retards the growth of suspended algae blooms, Remove carbon form filter during use, Shake well before use, As regular maintenance, repeat treatment when algae growth begins to appear, If algae is already present on the sides of aquarium, wipe clean with a Jungle Algae Remover Cleaning Pad, SKU: RPS13282