Ruby Reef ARR11115 Sliminator Aquarium Water Treatment with Cylinder Bottle for Aquarium, 32-Ounce Sliminator is a safe and effective water treatment for the control of cyanobacteria in marine and freshwater aquaria It is safe for all fish, corals, invertebrates and macro algae found in reef tanks Sliminator can be used with Rally or Kick-Ich Scientifically formulated to specifically eliminate cyanobacteria without affecting the facultative anaerobes and nitrifying bacteria Available in 32-ounce cylinder bottle