Description
Results for chlorine, nitrate, nitrite, general hardness (GH), alkalinity (KH) and pHReactions stop at 60 seconds; other brands keep developing, which can cause higher readings see all


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Tetra 19543 EasyStrips 6-in-1 Test St…

Results for chlorine, nitrate, nitrite, general hardness (GH), alkalinity (KH) and pHReactions stop at 60 seconds; other brands keep developing, which can cause higher readings
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