It is not true red. A definite change from green to pink is what you are after.
It is not true red. A definite change from green to pink is what you are after.
Taylor videos here: http://www.poolforum.com/pf2/showthread.php?17157
basically just keep adding drops until a drop produces no more color change and then don't count that last drop. Same with the calcium hardness test.
Retired pool store and commercial pool maintenance guy.
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