Having the excellent attention span that I have, I have (several times) turned an output from my controller on or off to test it, or add some chemicals, or... who knows... and then gone to bed. I've managed to drop my temp as low as 70, bring my alk as high as 19dKh (I think thats the right scale), and Ca as high as 600. I've also poured 8 hours worth of RO water all over the floor of my basement.
UGH.
Ooooohhh.... butterfly!!!
Oops, back on track... I think that I've learned my lesson... I think.
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