PoolRx+ Black Mineral Unit, 4-Pack contains new and improved mineral formulation that effectively works to keep algae out of swimming pools 20,000 to 30,000 gallons.
- PoolRx+ is a new and improved mineral formulation
- Contains three EPA registered active ingredients, including Copper, Silver and Zinc
- PoolRx+ is even better at eliminating and preventing all algae and in reducing chlorine demand. (minimum 0.5-1.0ppm)
- PoolRx+ minerals are uniquely chelated, protecting them at a molecular level, which prevents fall out or staining
- PoolRx+ minerals last up to 6 months due to the reaction with the specially treated alloy cylinder inside the PoolRx+ unit that stays in skimmer or pump basket