Essentials pH Test Kit - Narrow Spectrum

A cost effective, easy-to-use pH test kit ideal for the novice/hobby grower.These test kits work by adding a small amount of the nutrient solution to a vial (supplied in the kit), adding drops of test solution and mixing. Then comparing the colour of the resulting liquid in the vial with a colour chart (supplied). This is a narrow spectrum pH test indicator that measures between pH 5.6 and 7.4, and will last for over 150 tests, making it very economical.