NATURAL CHEMISTRY SCALE FREE 2L NCH17511NCM

SCALE FREE IS A POWERFUL, PHOSPHATE-FREE LIQUID TREATMENT DESIGNEDTO PROTECT POOL SURFACES AND EQUPIMENT FROM MINERAL SCALE BUILDUP AND METAL STAINING. ITS ADVANCED FORMULA DEACTIVATES MINERALS LIKE CALCIUM, IRON, AND COPPER, KEEPING THEM IN SUSPENSION TO PREVENTTHEM FROM ADHERING TO POOL WALLS OR CLOGGING CRITICAL COMPONENTS. SAFE FOR ALL POOL SURFACES AND COMPATIBLE WITH MOST SANITIZING SYSTEMS INCLUDING CHLORINE, BROMINE, AND SALT. WARNING: DO NOT USE WITH BIGUANIDES.