Aqua-Guard Buffer 4kg Balancing Salt Prevent is a dual

Salt Prevent is a dual action product that forms  insert complexes with dissolved metals and minerals such as copper

When using water bags be sure to only fill water bags 1/2 to 3/4 full to allow room for expansion due to freezing

although less common

A high phosphate count can create algae problems in your pool as algae feeds on phosphates found in warm water

Aqua-Guard Buffer 4kg Balancing Salt Prevent is a dualAqua Guard Buffer Buffer is used to raise total alkalinity in your pool water. Buffer will prevent erratic changes in the pH level of the swimming pool water. Buffer will help chlorine in the pool work more efficiently. Buffer raises the total alkalinity of the pool water preventing any corrosion that could. be caused by low total alkalinity. Wait about 20 min to swim after adding Buffer.