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    Foam & Soap Film?

    Hi all, I get a bit of bubbling foam - not bad, just a few handfuls at the centre of my tub with the jets on. When I turn the jets off there is what looks like soap film on the water. Could this be from swim suits with residual soap, or is this the dreaded biofilm? I have been following the...
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    Adding Water softener salt to tub?

    Our water here is very, very hard (city water, very hard). We have a water softener for the house, but the exterior taps used to fill the inflatable 200GAL tub are unsoftened (so the grass doesn't die, etc). Can I add some of the large pieces of softer salt from the softerner into the pool...
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    Inflatable 200GAL Spa - High Ph and TA - Adding Dry Acid - Questions

    Hi all I have a Canadian Spas Grand Rapid small (200GAL) inflatable hot tub. My initial strip test shows high PH (higher than 8.0, which is as high as the strips go... I know, I know) and a 200+ TA count. I've used the tub twice since I filled it 4 days ago, and it's now getting cloudy, so I...