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Ships within 48 hours · Estimated delivery Nov 4 - Nov 9
& 400 ppm (mg/L) in less than 10 minutes
if you have or suspect a Chlorine interference to your Chlorine Dioxide or Ozone test
% Alkalinity
Designed for higher pH readings
WaterWorks™ School Kit for entire classroom Parameter_TDS & 400 ppm (mg/L) inThe WaterWorks School Test Kit is perfect for classroom science experiments. Designed for a classroom of 30 students (a total of 540 tests in each kit), the WaterWorks School Test Kit contains 11 educational classroom activities & experiments including creating water cycles and testing for acid rain. This kit also tests for Nitrates, Nitrites, Total Hardness, Total Alkalinity, Total Chlorine, Free Chlorine, Copper, Iron, & pH and comes with an easy to
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