I have noted in the last several weeks a quasi relationship between the rain we've been getting and the pH of my pool.
It appears that the pH goes up about .2 for each 1/2" of rain we get. Not sure if this is from the rain itself, or if it is due to the agitation of the surface. When I filled/opened the pool, the TA was at 220, CH at 120. Current TA is 130, and CH at 80. Is it safe to assume it is a combination of both possible causes?
FC seems to want to hold around 4.5 - 5.5 even on what few bright sunny days we've had, so that's where I'll probably maintain it.
CYA is somewhere between 30 - 40....dot starts to disappear at 40 and is gone by 30.
I have yet to see any CC at all.
I am having a problem with dirt in the pool, not sure where that is coming from. I vacuum it all out, the pool floor is clean for a day or two then I'm seeing traces in the few wrinkles I couldn't get out. By day 4, there is a noticeable amount of dirt in the pool.
Water temp is a cool but swimmable 77F, if someone wants to check saturation index.
I goofed when I built the heater. I didn't leave any provisions for cleaning the outside of the tubes. I do have a build-up of creosote on the tubes. I'm thinking that if I reduce the water flow through the exchanger I can burn off some of it with the resulting higher tube temps. There would be a slight risk of getting the solder joints too warm, so it would bear watching.
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