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The Hot Spring / Caldera 25 Sq Ft
Active Ingredient: 100% Sodium Bicarbonate
Freshwater™ pH / Alkalinity Up raises 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
All of our Hot Spring® filters
FreeFlow® Spas 25 Sq Ft. Hot Tub Filter (Fits Mini) Aromatherapy No measuringThe FreeFlow Spas 25 Sq Ft. Hot Tub Filter fits the FreeFlow Mini (all years). Filter Specs: 25 Sq Ft. filtration Height: 6 5 8" (not including bottom threaded portion) Filter Diameter: almost 5" The Freeflow Spas 25 Sq Ft. Hot Tub Filter has a life expectancy of approximately 1 year if maintained properly. If you are looking for the larger Freeflow Spas 50 Sq Ft. Hot Tub Filter, it can be found here. All of our Freeflow Spas filters, headrests and
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