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I would fill with the hose, shock and then test the following day. Usually, Ph will start to drift with repeated fills...Drewski
Drewski, Are you a spa chemical salesman? Topping off the tub should not require shock. Just test and adjust as necessary (if at all).
Hello all,After about a week of heavy use (mostly by my daughters and their friends) the water level in our Majesta has dropped a couple of inches. Can I just top it off with water from the hose without adding any type of chemicals, or do I need to add somthing to treat the new tap water? ThanksFrankeyboy