I'm not sure what they use to test, but it's called Pinpoint and it's done with droppers (not test strips I don't think...)
FAC - .5 (lo)
Total chlor 3.8
combined chlor 3.3 (high)
Total Alk Input 177
Total Alk Adjusted 156
ph 7.5
calcium 174 (vinyl liner anyhow)
cy acid 62
copper and iron - 0
total dissolved solids 0
saturation index .11
I've tried the hypocal, but it's affecting my liner, even dissolved. I hit it with 7 bags of super sock it the other day to no avail.
the pool store suggested that I add a lot of PH lower to get the alk down, however, I have a big problem with Low ph in my pool and finally just got it within acceptable range! I am hestitant to add ph lower as i know shock needs a relatively high ph to work effectively.
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