Citric Acid (pH Decreaser) 10 Lb Bag
Citric Acid is great for removing the stained area of a pool. When applied by eating away the top layer of the pool's surface. Citric Acid is a gentler stain remover than muriatic acid, another form of acid used to remove stains and resurface swimming pool interiors. Citric Acid can also be used for lowering the pH in pools.
10 Lb Bag