NATURAL CHEMISTRY METAL FREE 1L NCH17001NCM

METAL FREE IS A PHOSPHATE FREE CHELATING AGENT DESIGNED TO PROTECT POOLSURFACES FROM STAINING AND WATER DISCOLORATION CAUSED BY TRACE METALS. IT IS PARTICULARLY EFFECTIVE FOR POOLS USING WELL WATER OR THOSE WITH HIGH MINERAL CONTENT. SAFE FOR ALL POOLS AND MOST SANITIZING SYSTEMS. WARNING: DO NOT USE WITH BIGUANIDES.