Decreases the p H level of your spa or above ground pool to maintain comfortable p H levels for your skin whilst you’re enjoying your hot tub or pool. Ensures that your spa or pool stays hygienic & looking pristine so you can fully enjoy your experience. Maintains the optimum p H level to enable chlorine treatment to work more effectively & clear any harmful bacteria. Instructions are clearly stated on the bottle & it’s very simple to use- simply dissolve the recommended amount of p H chemicals in warm water & add the solution to the pool, decreasing its p H level- check after minimum 4 hours. Clearwater is a BISHTA approved UK brand that is recommended by brands such as Lay-Z-Spa & Bestway to help provide quality care to your pool or hot tub. Clearwater provides a dedicated, friendly UK customer support team to assist you with any queries you may have