Tetra AquaSafe is a water conditioner that immediately transforms aggressive tap water into near-natural aquarium water suitable for fish -a now new with BioExtract for healthy and clear water.+ Tetra AquaSafe neutralises substances in the tap water that are harmful to fish: elimination of chlorine as well as highly effective and permanent binding of heavy metals such as copper, zinc and lead+ adds essential substances from the fish's natural habitat that tap water cannot provide: iodine for vitalisation of the fish, magnesium to promote growth and well-being, vitamin B to combat stress+ gills and mucous membranes are effectively protected by noticeable care colloids in Tetra AquaSafe+ the new BioExtract formula with natural biopolymers promotes the growth of useful bacteria for healthy and clear waterSpecial offer: 2 bottles of Tetra AquaSafe 500 ml (=1000 ml) for a special priceApplication of Tetra AquaSafe:For use when adding tap water, transporting fish and for quarantine treatment