PoolRx Dissolving Algae Eliminating Mineral Unit for Saltwater Pools (4 Pack)

Includes 4 mineral units to release minerals into your pool to eliminate and prevent algae For pools between 7,000 and 20,000 gallons in size Reduces the amount of acid needed to balance the pH of your pool For use 4 to 6 months after the installation of a POOLRx unit Regular use extends the life of your equipment Ideal for saltwater pools Dosage 7,500 Gallons: 1 unit 20,000 Gallons: 1 unit Color: Blue Instructions for use: Clean or backwash pool filter Place the unit into pump basket or skimmer, ideally in pump for increased water flow Initial run time at least 3-4 hours to ensure minerals completely dissolve Pump should run during the heat of the day at least 6-8 hours Do not re-clean or backwash filter for at least 2 weeks