Rock Water Air's pH Minus is a granular acid for lowering the pH of your pool water if its above 7.6. Carefully add the resulting solution to the pool whilst the pump(s) are turned “on”, preferably near to the water inlets to aid distribution.
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Prolongs the life of the spa. Wizards pH Minus Reducer 1.5kg. Reducers the pH balance in the water. Use 11g per 1000l.
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Test the pH of your spa water and if it is above 7.6, use AquaSPArkle Spa pH Minus to lower it. Spa pH Minus can also be used for lowering Total Alkalinity if it rises above 150mg/l (ppm). Pre-dissolve the product in a clean plastic container at a maximum rate of 10g of product per 0.2 gallons (1ltr) of clean warm water.
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Sodium bisulphate also known as dry acid occurs as an odourless, hygroscopic white powder that is soluble in water. Its solutions are strongly acidic and corrosive. It is manufactured by reacting sodium hydroxide with sulphuric acid.
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To do this test the water with a test strip or pH tester and gently sprinkle a small amount of this 'Acti Spa pH Minus' and allow to dissolve, wait 30 minutes and test again. Part of the Acti Spa chemical range.
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Simply Test Your Spa/Pool water and Follow the instructions on the back of the tubs to Adjust your PH correctly. Use this high quality PH Minus and PH + 1kg to adjust the PH value of the water in your spa (7.2 to 7.6 is the optimum for spas).
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Prolongs the life of the spa. Wizards pH Minus Reducer. Reducers the pH balance in the water.
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Aquasparkle pH Minus Granules 1.5kg for Hot Tubs. Test the pH of your spa water and if it is above 7.6, use AquaSPArkle Spa pH Minus to lower it. Spa pH Minus can also be used for lowering Total Alkalinity if it rises above 150mg/l (ppm).
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