SpaGuard PH Decreaser$8.99size Choose an option22 ozClear SpaGuard PH Decreaser quantity — OR — Add to cart SKU: N/A Category: Chemicals Description Additional information DescriptionDescriptionSpaGuard's pH Decreaser provides spa owners with an easy way to lower high pH and alkalinity down to optimal levels, simply by adding this quick-dissolving granular formula to the water. pH Decreaser gradually lowers your pH and alkalinity until at the desired level, and also prevents scale build-up and cloudy water that also usually occurs when your spa operates at the high-end of the pH scale.DosagepH Range 7.6 to 7.8:1/2 tsp per 200 gallonspH Range 7.8 to 8.0:3/4 tsp per 200 gallonspH Range 8.0 to 8.4:1 1/2 tsp per 200 gallonspH Range 8.4 and above:2 tsp per 200 gallonsDirectionsUse an accurate test method to determine pH.Determine the amount of SpaGuard pH Decreaser needed to adjust the pH to maintain a reading of 7.2 to 7.6.Be sure the spas total alkalinity reading is at least 125 ppm before adding this product.With the pump operating, sprinkle this product into the water when the spa is not occupied.Let the pump circulate for 30 minutes to thoroughly mix the product.In units with aerators, the pump should be operating and the aerator off prior to application of the product.Retest pH and adjust as necessary. Be sure to consult chart for correct quantity to add based on the current pH of the spa.IngredientsSodium Bisulfate: 93.2%, Other Ingredients: 6.8% Additional informationsize22 ozRelated products SpaGuard Stain and Scale Control $18.97 – $23.97 Select options Spa Frog Mineral Cartridge $32.99 Add to cart SpaGuard Spa Enhanced Shock $28.99 Add to cart SpaGuard PH Increaser $7.99 Select options