Hot Spring Spas/Freshwater: NEC PH Alkalinity Up | 21.7 oz


Helps increase pH and alkalinity. May take 24-48 hours to show results. Up prevents pH bounce and deterioration of spa surface and fittings from low total alkalinity, while Down decreases spa water pH.

Weight 21.7 oz
Dimensions 2.375 × 8 × 2.375 in