Water Quality Testing Kits
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Thomas Scientific Trace Hardness Test Kit -- 1 drop 0 5 ppm as CaCO3 / 25mL
Trace Hardness Test Kit -- 1 drop 0 5 ppm as CaCO3 / 25mL
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Thomas Scientific Quat Test Kit -- 1 drop 10 ppm / 5mL 1 drop 50 ppm / 1m
Quat Test Kit -- 1 drop 10 ppm / 5mL 1 drop 50 ppm / 1m
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Thomas Scientific Total Hardness Test Kit -- 1 drop 20 ppm as CaCO3 / 25mL
Total Hardness Test Kit -- 1 drop 20 ppm as CaCO3 / 25mL
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Thomas Scientific Total Hardness Test Kit (Liquid Indicator) -- 1 drop 10 pp
Total Hardness Test Kit (Liquid Indicator) -- 1 drop 10 pp
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