The PoolRx Black - 20k-30k Gallons Mineral Unit eliminates existing algae fast and prevents algae from coming back. PoolRx is ideal to use with Chlorine, Salt, UV or Ozone systems.


  • Meant for 20,000-30,000 Gallon Pools
  • Reduces Need for Free Chlorine
  • For longer season, larger pools, extreme conditions or green pools, you can add PoolRx booster minerals when needed.
  • Replace the PoolRx unit at the beginning of each season for best results.