SpaBoss pH Plus in a convenient 1.5 lb bottle. Raises the pH of hot tub water. Please maintain your pH between 7.2 - 7.6.
Active Ingredient: Sodium Carbonate .
4.8
5 ratings
5
4
3
2
1
pH Plus is effective
It would be helpful if pHPlus came in a larger size
J
Jack · June 30, 2026
SpaBoss pH plus
Great product! Luckily we don’t have to use it much, but if we do it does the trick quickly.