Soft Soak Test Strips 50ct.
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SpaGuard's Soft Soak 4 Way Spa Test Strips provide spa owners with a easy way to test their Soft Soak System-equipped hot tub or spa, letting them keep their system in perfect working order. Soft Soak 4 Way Spa Test Strips are able to test hot tub water for sanitizer, total alkalinity, pH level, and calcium hardness. This product is part of SpaGuard's Soft Soak System only, and it is recommended to test your hot tub or spa weekly.