Some of the signs of a contaminated spa include persistently cloudy water, foaming, inability to maintain chlorine/bromine readings, odours and rashes. If you have been constantly struggling with some of these issues. You should DECONTAMINATE your spa with this 72-hour decontamination process.
To decontaminate, you need to super-chlorinate the water with granular chlorine (or substitute granular bromine for chlorine).
Add chlorine at a minimum ratio of 2.5 ounces (5 tablespoons, 75 grams) of chlorine per 100 gallons (400 litres) of spa water. For this treatment to be effective it is imperative that the chlorinated water is distributed throughout the entire plumbing system. Ensure that diverter valves are midway and that all jets, valves, waterfalls, water features, and aerators are open and are subjected to the chlorine. If your tub has a drain next to the pump or at the base of the cabinet to which you can attach a hose to facilitate draining, ensure that some of the chlorinated water is bled through the drain at the onset of this procedure. This is very important to do because any built-in drains are a dead end in the plumbing and the chlorine will not naturally make its way down to that part of the plumbing, but the contaminant will.
Check the chlorine reading after 24, 48 and 72 hours. If at any of these intervals the chlorine is anything less than ridiculously high (if it shows less than the maximum on your test strips) treat the tub again with chlorine and start the clock over on the 72hour time period.
Do not use the spa during the decontamination process.
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