Water Balancers: pH Decreasers

Effective pH reducers that lower high pH levels, improving sanitizer efficiency and water clarity. Shop ph decreasers at Pool Supply 4 Less from brands including Pool Care, BioLab and Advantis. Popular picks include Pool Care PH Down 6lbs and Pool Care PH Down 30lbs. Part of our Water Balancers range.

  • Save 29% Out of stock
    Pool Care PH Down 6lbs
    Pool Care PH Down 6lbs - QPC55306EACH
    SKU: QPC55306EACH
    Sale price $41
    Regular price $58
    Out of stock
  • Save 28% Out of stock
    Pool Care PH Down 30lbs - QPC55309
    Pool Care PH Down 30lbs - QPC55309
    SKU: QPC55309
    Sale price $83
    Regular price $116
    Out of stock
  • Save 34% Out of stock
    Natural Chemistry Spa Ph Decreaser Pods - 14303NCM
    SKU: 14303NCM
    Sale price $27.06
    Regular price $41
    Out of stock
  • Save 34%
    Natural Chemistry Spa pH Decreaser, 3.37 lb Bottle | 14203NCM
    Natural Chemistry Spa pH Decreaser, 3.37 lb Bottle - 14203NCM
    SKU: 14203NCM
    Sale price $19.05
    Regular price $29
    In stock
  • Save 52%
    BioGuard PH Decreaser 22oz 42634BIO
    BioLab BioGuard PH Decreaser 22oz - 42634BIO
    SKU: 42634BIO
    Sale price $9.50
    Regular price $19.99
    In stock
  • Save 34%
    GLB pH Down 2.5 lb Bag 12/Case | 71252A
    GLB pH Down 2.5 lb Bag - 71252A
    SKU: 71252A
    Sale price $15.75
    Regular price $24
    In stock