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Hi. I've recently become the owner of a 1,800 gal, 3 y.o. swimspa with I believe an acrylic surface. Around and above the waterline, the surface has a whitish colour to it. Not a thick rough/textured layer deposited on the surface, just a super thin layer that appears more as a whitish...

Hi all. I've bought and moved into a house with a 1,800 gal swim spa, and I'm getting the parameters under control from some issues that existed when I moved in (eg FC over 100, but that's a whole different story!). After reading through the recommendations in the spa sticky on how to use...

Hi All. I've just bought a house with a 7,000L outdoor swim spa (about 1800 gal for you guys across the Pacific) It was filled up and had been running before we moved in, except that it was shut down for two weeks because the heater element failed and they/we were waiting for a replacement)...

Hi! New to the forum from Hobart, Tasmania. I've been reading a bit on here for the last week, as I've just bought a new home with an outdoor swim-spa. I love the way there seems to be regular contributors on here who have a good chemical knowledge to back up what they are saying, rather than...