Phosphate Test Kit, Model PO-23, Simple, low-cost color disc method is the most accurate visual test kit method, Achieve fast results with an easy-to-carry test kit
With drop count titration covers ranges of 1.25-25, 2-40, and 5-100 mg/L as CO2, with increments of 1.25, 2, and 5. Includes rugged carrying case, prepackaged reagent set, detailed instructions for fast, easy, and accurate carbon dioxide test results in the field.
Neutral Litmus pH test paper tests for Neutrality of a solution, or its acidity or alkalinity, does not come with a color chart, test strip will turn red if dipped into an acidic solution (pH <7) or blue if dipped into an alkaline solution (pH >7), Size: 100 test strips