For many indoor and outdoor growers, the question of whether to reuse soil after harvest is both economic and envir...
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Description
Calorimetric method of pH testing
Volume 20 ml
pH range 4.7-7.4
Set contains a test tube and a color scale
Easy to use just fill the test tube with water, add the indicator and compare the color to the color scale

PH test for water (BEN-TEST)
€3,01