PoolRx Blue Unit for Swimming Pools Treats 7.5k-20k Gallons

PoolRx+ contains a proprietary blend of minerals that continuously and effectively eliminate algae. The specially treated alloy cylinder is packed with PoolRx+ granular formulation. These minerals immediately dissolve out of the cylinder and form a stable residual throughout the pool water for up to 6 months. The minerals eliminate the algae while freeing up low levels of chlorine to be more active and productive in the water. During the filtration process . the minerals are rejuvenated every time they return and pass through the cylinder.