Guard-1 Speedily neutralize Chloroamine ( most recent additive in tap water to kill harmful bacteria ) For fast removing of chlorine and chloramines too Remove heavy metals and toxic chemicals Protection of fish gills and reduction of fish environmental stress A must have product for water changes Anti-Parasite & fungus-2 Made specifically for treatment of KOI Sleeping Disease For the treatment of White Spot, Cloudy Eyes, Body Slime and Velvet Disease Cotton wool disease and fungus can be treated as well Anti-Ulcer, Internal / External Bactericide-3 Specifically for the treatment of KOI Ulcer ( body rot, tail rot, fin rot, gill rot ) For the treatment of Dropsy, Popping Eyes and abnormal body discoloration as well Blood streaks and external bacteria infection