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LucB

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  1. Hi all, A while ago I bought a beautiful cedar hot tub. The dealer said that the water would turn brown from the tannins for the first little while, but that this would go away after a few refills. 5 years later (!), the water still turns the same dark brown shortly after filling. s this normal? In terms of sanitation, the tub came with an ionizer and an ozonator, which helps. I'm still putting a bit of chlorine in, over the years I've learned how much I can put in before it starts eating the wood and clogging my intakes and filters with wood pulp. But I still have no idea as to what my water chemistry is like, apart from the fact that test strips tell me the ion levels are good. I think the tannins just overwhelm everything. There is a some brown foam that accumulates on the surface when the jets are on, which might indicate not enough chlorine... or is this foam just a byproduct of chlorine eating the wood? Haven't had any skin or health issues this entire time, so not too worried. Just curious as to whether others have also encountered this. Thanks, L
  2. Hello, We've had a beautiful western red cedar hot tub for 4 years now, and the water is STILL turns a dark tea colour shortly after filling. I can't believe tannins are still leaching out. But whatever, that's not really a big deal. The manufacturer said you could use chlorine or bromine to counter the effects of the tannin. The tub has an ionizer (copper and silver) and an ozonator to help keep the water sanitized. The manufacturer recommended a teaspoon of chlorine granules a day to supplement this and for tannin control, but when I did that I found the chlorine attacked and dissolved the organic tissue of the wood, resulting in wood pulp clogging up the filters. So, then the manufacturer recommended using less chlorine. Fine. Now I only add a bit in every few days, and the wood is safe. Of course, there is zero chlorine showing up on test strips. Which makes me wonder, how clean is my water? Is there anyone else here who owns a cedar tub who can share some tips or recommendations as to what you do for water sanitation? I absolutely love the natural cedar and wouldn't trade it for anything.
  3. Like many people here, I hate the 40C limit on hot tub water imposed on us by our nanny state. After reading this thread carefully I went and bought some 1k ohm resistors and spliced and soldered them into the black wires leading to both heat sensors on my Balboa vs501 unit. I thought it went well, except now the display panel is showing an Sb code, which means the sensor b isn't working. Did any of you come across this problem while trying this override method? Did I screw up my soldering job or is it something more sinister? Edit -- ok never mind I figured it out. The "Sb" and then "SB" readings I saw were actually 56, 58. It's 59 now, it's increasing every time I check. The thing is in Fahrenheit degrees. Must be working then.
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