BAQUA Spa® Waterline Control -32 oz bottle

Step #1 in the 3-step process BAQUASpa Waterline Control is used to prevent the formation of waterline deposits on the spa shell.

Have a sticky waterline deposit at the beginning of each tub refill?  Try increasing your weekly dosage of Waterline Control- or use 1/2 of the recommended weekly dosage mid-way into the week. Buy Step #2 (Oxidizer) and Step #3 (Sanitizer)