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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Quick-Dissolving Formula: No pre-mixing required – simply apply directly to water
approximately the size of a smartphone
Quick-Dissolving Formula: Dissolves rapidly
Easy Application: A few capfuls are all it takes to infuse your spa
Sirona Calcium Booster – Hot Tub Calcium Increaser Biguanide System Quick-Dissolving Formula: No pre-mixing requiredEnhance your spa experience with Sirona Calcium Booster, the granular product is designed to raise calcium hardness levels in your hot tub water. Maintaining proper calcium levels helps prevent foaming and equipment corrosion, ensuring a clean and soothing spa environment. This fast acting formula dissolves immediately upon contact, allowing you to quickly achieve the desired calcium hardness range of 150 to 400 ppm. Compatible with chlorine, bromine,
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