Freshwater™ pH / Alkalinity DOWN 1.5 lbs. - Alkalinity and pH Decreaser Hot Spring Cold Plunge filter Active Ingredient: 95% Sodium Bisulfate

Active Ingredient: 95% Sodium Bisulfate

The Caldera Spas® Atlas Neck Jet Pillow / Headrest for Utopia Series fits the following Caldera Spas® Utopia Series hot tubs:

• Tahitian 2003-2015

The Tropic Seas Spas™ 35 Sq Ft

Prevents surface staining and spa water discoloration with routine use

Freshwater™ pH / Alkalinity DOWN 1.5 lbs. - Alkalinity and pH Decreaser Hot Spring Cold Plunge filter Active Ingredient: 95% Sodium BisulfateFreshwater pH Alkalinity Down lowers the total alkalinity levels and the pH in your spa water to increase the effectiveness of your sanitizer as well as reduce the chance of equipment corrosion. Active Ingredient: 95% Sodium Bisulfate Size: 1. 5 lbs. Freshwater pH Alkalinity Down is compatible with all spa water sanitization systems including: silver ion granulated chlorine systems, salt systems, Frog @Ease, Frog Serene, granulated bromine, bromine