SUDS-ONLINE PH Plus + 500g Hot Tub Swimming Pool Spa Tubs Spas Increaser PH Up
PH plus is suitable for use in swimming pools, spas or hot tubs. Spa and Hot Tub. Leave for 24 hours then re-test to ensure pH level is between 7.2 - 7.6. pH plus is a powdered. Swimming Pool. Add 11 grams per 1,000 litres of spa water.