A single reading cannot show whether soil is improving. Here is how to record a baseline, which readings change quickly, and when to retest.
Not sure if you need a moisture meter, pH meter, EC tester or multi-function tester? Choose the right soil tester for the problem you want to solve.
For cosmetic formulation, a pH meter is usually the better choice when you need a numerical reading, repeatable bat...
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To test the pH of a cream or lotion, use a calibrated pH meter with an electrode that is suitable for soft, viscous...
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Soil tester readings shift with probe position, depth, moisture, salts and timing. Learn how to get consistent results before assuming the meter is faulty.
Learn how to measure pH in cosmetic liquids, creams and lotions, when direct testing is appropriate, and which samples should not be tested directly.