PH Up/Increaser 2lbs$9.95 PH Up/Increaser 2lbs quantity — OR — Add to cart Category: Chemicals Tag: PH Description DescriptionPRODUCT DESCRIPTIONMinnesota Hot Tubs PH & Alkalinity Down is used to lower the pH and Alkalinity levels in your spa or hot tub.Spa and hot tub pH should maintain a pH of 7.4 to 7.6 for optimal sanitizer effectiveness, protection of hot tub parts and equipment, and user comfort. If the pH drops below 7.4 the water is too acidic. This can corrode the spas parts and equipment and cause eye and skin irritation. If the pH is above 7.6 the water is too base or alkaline.The sanitizer will lose some effectiveness, and minerals can fall out of solution which can cause cloudy water, scale build-up (the feeling of sandpaper on the spa shell) and equipment damageRelated products Shock Oxidizer (5 lbs) $59.95 Add to cart Scumbug $11.95 Add to cart FROG® @ease® System Kit for Bullfrog Spas $56.95 Add to cart Test Strips (For Digital Reader) $16.95 Add to cart