Get rid of unsightly and potentially dangerous red slime algae (cyanobacteria) from your saltwater tank quickly and safely. No tank care kit should be without a cure for red slime so add Red Slime Remover to your supplies today. Thoroughly mix 1 level spoonful (included) for each 15 gallons with a small amount of water from the aquarium to be treated. Pour dissolved solution into the aquarium. Repeat after 48 hours if necessary. Wait at least one week before additional treatments. Note: May effect pH and oxygen levels.