Orange = chlorine greater than 15 ppm. Brown = chlorine greater than 50 ppm.
This is a reliable and meaningful result with OTO drops, if not very precise.
Re: Want to learn about pool chemistry
Orange = chlorine greater than 15 ppm. Brown = chlorine greater than 50 ppm.
This is a reliable and meaningful result with OTO drops, if not very precise.
PoolDoc / Ben
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