Hi Ed - sounds like a standard drops-based chlorine test kit. You should definitely be looking from the side. The disk on the bottom is probably for another test - the test for CYA or stabilizer level (but the disk is black on my test).
Re: Question on how to match color on drop test kit
Hi Ed - sounds like a standard drops-based chlorine test kit. You should definitely be looking from the side. The disk on the bottom is probably for another test - the test for CYA or stabilizer level (but the disk is black on my test).
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