Regal Hot Tub pH Minus, 900ml


Price $19.99
Store Address
Order Online
Pick Up In-Store
195 Exeter Rd, London ON, Canada
Store Shipping
Standard Shipping:
Usually leaves warehouse in 1-2 business days

This product has been discontinued by Pool and Hot Tub Depot. Please see the Dazzle, Mineraluxe, Sani Marc or Spa Essentials pH decreaser for comparable options. 


Regal Spa pH Minus Liquid for use in hot tubs. 900ml container size.

Application method:

  • Maintain recommended levels as determined by water test. Sprinkle measured amount of pH Minus liquid as needed to achieve recommended levels.
  • Recommended pH is 7.2-7.8


  • Spa must be running before adding pH Minus liquid
  • If water test indicates pH higher than 7.8, add 60ml of pH Plus liquid per 1,000 litres of spa water to lower pH by 0.4
  • Wait 15 minutes and recheck pH level. Repeat treatment until pH reaches recommended levels.
  • Check pH levels regularly and make necessary adjustments


Product Reviews