Remove red slime from your corals and invertebrates. UltraLife Red Slime Remover is made up of natural cellular matter select biological accelerators and supplements are proven effective in removing Red Slime. For best results DO NOT turn off UV Sterilizer or Ozonizer. Continuation of protein skimming is recommended but may require adjustment. Due to increased biological digestion of organic solids we recommend increasing your O2 levels via the addition of airstones prior to and during treatment. No need for water changes or removal of carbon filtration. Dissolve one level spoonful for every 15 gallons — one container treats up to 300 gallons.