OTO Chlorine Test

$2.00
(1 review) Write a Review
SKU:
D400
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OTO Chlorine testing solution reacts with chlorine in water by turning the water a yellow color. Beyond its use as a chlorine indicator, it also serves as a great visual aid to explain the potential presence of water contaminants that cannot be detected by the naked eye.

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  • 5
    OTO Chlorine test solution

    Posted by Claudette Cole on Sep 26th 2025

    The solution appears to be working fine when I do tap water testingfor chlorine