Check the listing for details. SpaPure pH Down - 1.5 lb (2 Pack). Condition: New. Listed at 26.99 USD. Pools - Spas - Stoves - Fireplaces SpaPure pH Down - 1.5 lb - Part #C002625-CS20B8 - 2 Pack Purpose: SpaPure pH Down effectively lowers the pH level of spas and hot tubs This granular product helps maintain the proper proper pH level maintained between 7.2 - 7.6 This product takes action if the pH level exceeds 7.6, which if that level is reached then the water can become cloudy and corrosive, which can cause scale buildups Compatible with chlorine, bromine, biguanide, silver-mineral, and ozone-treated spas Keep your pH level in check with SpaPure pH Down! Directions and Dosage: If pH is between 7.2 and 8.0, apply 1/4 ounce (2 teaspoons) for every 500 gallons of water directly to the spa If pH is greater than 8.0, apply 1/2 ounce (4 teaspoons) for every 500 gallons of water Circulate for 15 to 30 minutes and retest pH. If pH is above 7.6 then repeat until pH is between 7.2 - 7.6 Ingredients: Sodium Bisulfate: 100% General Policies Keep your home running smoothly with Clearview, the Clear Choice for your pool, spa and hearth needs! If you have any questions, please contact us before buying. We pride ourselves on offering exceptional customer service and helping to provide you with the complete information you need to make an informed purchase. Shipping and Billing: We only accept payment from and ship to confirmed PayPal addresses All packages are shipped within one day of ordering Returns: Returns are not accepted on opened or used products and are subject to 10% restocking fee If a package arrives damaged or defective, please report it to use immediately so we can promptly take care of the situation Questions: If you have any questions, please contact us. We will always take the time to answer your questions. We have over 25 years in the industry, so don’t hesitate to ask! We’ve probably heard it before! Business Hours: Weekdays 9 - 5 | Saturday 9 - 4 |Eastern Time Disclaimer: I will follow all applicable federal and state laws and regulations regarding the sale of the pesticideI won’t accept bids from, sell to, or ship to states in which the pesticide is not registered as a general-use product