Contains aloe vera which promotes healing & regeneration of damaged fish tissue & forms a synthetic slime coat to hel preven. Developed for use with a protein skimmer; will not cause foaming. To help repair damaged skin & fins & to replace slime coating: add 10 ml per 10 us gallons of aquarium water. To remove chlorine, chloramines & ammonia: add 5 ml per 10 us gallons of aquarium water. Aloe Vera 8 OUNCE