WaterWorks™ Chlorine Dioxide High Dilution this product ensures accurate testing

this product ensures accurate testing of Phosphate levels in your pool or hot tub

Let's say you have a Chlorine testing range of 0-12 ppm

Safe and non-hazardous

Total Hardness 60-600 ppm

add the supplied reagent

WaterWorks™ Chlorine Dioxide High Dilution this product ensures accurate testingNEW! Now our Chlorine Dioxide check is also available in High Range. Check your Chlorine Dioxide levels with Confidence using our WaterWorks Chlorine Dioxide Check High Range. Make sure your Chlorine Dioxide levels are where you want them to be. Contains 50 tests. With our patented indicator there will be no bleach out of colour even at high concentrations. Simple method and no dilution necessary Get results in 32 seconds No instrument required Safe