Which blue is blue enough for CH?

KJB1

Well-known member
Jan 8, 2021
264
Temecula, CA
Pool Size
12500
Surface
Plaster
Chlorine
Liquid Chlorine
Are we looking for when the color just changes or when the blue can't get anymore blue? It seems to be about 3-4 drops from when it just changes until it won't change anymore. My water is pretty hard out here. I'm trying to determine if it's 500 or 600. Also when it first changes I have those little tiny drops floating, I tried the metals present advice from Taylor. Doesn't make a difference.
 

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