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Spa Defoamer

Foam Free instantly brings spa foam down — the fastest and most effective hot tub defoamer you can buy. Use it whenever persistent foam is a problem, and to prevent new bubbles from developing in your spa. Ideal anti-foam solution for swimming pools, ponds & fountains too.

Instantly brings spa foam down
Concentrated formula
16 oz. bottle
Product notes: Advanced formula helps prevent new foam from forming. Will not harm equipment, clog filters, or affect water balance.

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Protect Plus ( for Stain and Scale)

Metal Free is a powerfully effective hot tub metal, stain, and scale preventer which clears up and inhibits formation of rusty (iron), green (copper), brown or black (other minerals), or cloudy precipitates in spa water. Helps prevent scale, corrosion, and metallic odor. Most discoloration is from metallic source water impurities or a result of low pH on metal heater parts and equipment. Use Metal Free periodically, and these problems are gone. Essential for well water.

Powerfully effective
Non-toxic formula
16 oz. bottle
Product notes: 1 bottle treats 625 gallons. Compare to Leisure Time Metal Gon. Metal Free is guaranteed to equal or outperform similar stain and scale products. If using the Cleanwater Blue sanitizer system, use Cleanwater Purge instead of Metal Free.

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Spa pH UP

pH Increaser for hot tubs strongly raises both the pH and Total Alkalinity (TA) of spa water. Reduces corrosion damage to metal parts, pump motors and heaters caused by low pH. Reduces eye irritation caused by low pH. Balanced water can improve the effectiveness of sanitizers.

Fast-dissolving form for spas
Strongly raises TA
Strongly raises pH
Product notes: Check spa water with test strips to achieve balance. Adjust Total Alkalinity (TA) first, then adjust for proper pH range. Proper TA will buffer pH, preventing pH fluctuations. Contains 100% granular sodium carbonate, pH 13 (also referred to as soda ash — not to be confused with sodium bicarbonate). If your pH is normal or slightly low, and/or you primarily want to raise TA, use Alkalinity Up instead.

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Spa pH down/alk down

pH Decreaser for hot tubs lowers the pH and Total Alkalinity (TA) of spa water. Helps to prevent the buildup of harmful scale on hot tub equipment, including heater elements. Reduces eye and skin irritation caused by high pH and TA levels. Balanced water can improve the effectiveness of sanitizers.

Fast-dissolving form for spas
Lowers TA
Lowers pH
Product notes: Check spa water with test strips to achieve balance. Adjust Total Alkalinity (TA) first, then adjust for proper pH range. Proper TA will buffer pH, preventing pH fluctuations. Contains 100% granular sodium bisulfate (also referred to as dry acid). Sometimes called Spa Down.

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Spa Alkalinity Up

Alkalinity Up for hot tubs increases Total Alkalinity (TA) and will help bring up low pH to the proper range. Helps reduce corrosion of spa metal parts and damage to pump motors and heaters. Alkalinity Up buffers the water to minimize pH bounce, and optimizes the effectiveness of bromine and other sanitizers. Fast dissolving and optimized for solubility in spa water, Alkalinity Up is an alkalinity increaser which raises TA, without raising pH to excessively high levels.

Fast-dissolving form for spas
Raises TA
Buffers pH
Product notes: Check spa water with test strips to achieve balance. Adjust Total Alkalinity (TA) first, then adjust for proper pH range. Proper TA will buffer pH, preventing pH fluctuations. Contains 100% granular sodium bicarbonate (also referred to as sodium hydrogen carbonate). pH 8.3. Sometimes called Spa Up.

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Calcium Hardness Increaser

Increase Calcium for hot tubs boosts the natural hardness of spa water. This prevents excessive etching and corrosion of hot tub equipment caused by water which contains very low levels of dissolved calcium. Also reduces foaming caused by soft water.

Fast-dissolving form for spas
Increases low calcium level
Prevents corrosion & foaming
Product notes: Contains granular calcium chloride, 100%. 1 oz. of this product added to 500 gallons will increase calcium hardness about 10 ppm. Test with Hardness Test Strips.

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