Hot Tubs and Spas purging and cleaning

when “Shock level and maintain” doesn’t work

Greetings Hot Tub enthusiasts.  This post addresses a common “rescue prescription” for bad water:  The SLAM, or “Shock Level And Maintain”.  Its basically what the name implies — raising the level of chlorine in your water to a very high level, and then maintaining that level for some period of time.  It’s a procedure to […]

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