Master Clear PH & Alkalinity Down – 7.5 lb. – Powder pH &
Master Clear PH Down is a powder that can be added directly to your spa’s water, or can be dissolved in water, to lower the pH & alkalinity levels in the spa.  The primary component is sodium bisulfate.  Ideal pH range is between 7.4 & 7.6, with a tolerance range of 7.2 & 7.8.
Equivalent to: Leisure Time Spa Down