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When you state or ask Why does your spa test strip turns blue - - - My test strips do not turn blue! Your question should be: Why do test strips turn blue when testing water in a spa? or something similar to that.
What portion of the test strip is turning blue? Chlorine reading, pH reading, alkalinity reading, conditioner reading? I'm not sure what your problem is. Are you testing the water right after adding chemicals? What chemicals are you using? How old are your test strips? Have the test strips been left in the sun for any length of time?
When did you last change the spa water? Answering these questions and more may make it easier to come to a conclusion on your question.
Since there is so little water in a spa -- changing the spa water and cleaning the filters at the same time may alleviate your problem -- rather than trying to adjust the chemistry of the water.
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∙ 16y ago
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