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.
In a heat wave the top inch of soil misleads you and wilting is not always thirst. Here is how to read moisture below the surface and water the right amount.
A summer of vegetables changes your soil. Here is how to check pH, salts, and structure, then refresh a tired bed before you plant your fall crops.