I use the AquaChek borate test strips...IMHO, they are accurate enough to determine if you have 30-50 ppm borates in the water and they are pretty inexpensive.
I use the AquaChek borate test strips...IMHO, they are accurate enough to determine if you have 30-50 ppm borates in the water and they are pretty inexpensive.
Retired pool store and commercial pool maintenance guy.
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