New wastewater test kits that provide quick results. Completely portable, these self-contained kits do not require any instrumentation. Viso Eco test kits accurately test a variety of metal and non-metal ions in concentrations as low as 0.01PPM. These affordable kits include an easy-to-use sliding color comparator to check your sample against the standard color chart. Results are obtained within 10 minutes. Simple to follow instructions using pictograms are included.