GLB Super Sequa-Sol 2lb.

This concentrated granular formula is specially formulated to protect pool surfaces from minerals in the water. It is ideal for use with hard water because it helps neutralize small quantities of stain-producing minerals such as iron, copper, or manganese that occur.

– Great for pool openings or when adding make-up water to the pool.

– Compatible with chlorine, ozone, salt water and mineral sanitizing systems.