WATER MASTER PH drop test KIT, indicative of pH values, is perfect for a quick test. For the pH level of your nutrient solution, fill half of the small bottle kit and add 2-3 drops of liquid.
And compare the color obtained in the letter provided for this purpose. You will be able to do over 500 tests per vial.
WATER MASTER PH drop test KIT is reliable, easy to use and very economical.
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