Pool Unit 20k-30k Gallons

Simply place it in the pump basket or skimming basket—it's suitable for pools with a capacity of 20,000 to 30,000 gallons, easy to use and convenient to replace.It can simplify pool maintenance for up to 6 months; the mineral technology ensures that the pool water remains consistently crystal-clear; and the water quality improves from green to more transparent in a shorter timeframe.