Thanks for the prompt reply. Allow me to give u the scenario. Mon. Thru fri. Grandkids not here. Sat. And sun. They swim in pristine 87 degree water.
Nanny and pop-pop use the 100 degree spa prn. Own a hayward 400,000 btu {not sure if it is input or output}. Thanks again.
14,500 gal below ground plaster pool,pentair intelliflo i5 control system,pentair easy clean de filter,tiger shark cleaner 1x/week. Screened enclosure.Chemistries ideal.