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Oil-filled mechanical vacuum gauge ensures the most accurate and stable measurements
growth and health
Includes T5 tube with reflector
but not much longer
Dyna-Gro pH Up Grow Light Hoods Oil-filled mechanical vacuum gauge ensurespH Up 0 0 5 is a Dyna Gro product used to raise the pH of water. What is pH? pH is the measurement of water quality. Soil or water can be too acidic or too alkaline. A pH of 7 is neutral. In general plants respond best to a pH between 5. 5 and 6. 5 for maximum nutrient absorbency When the proper pH is achieved, the nutrients become more available to the plant. pH levels that are too low or too high can result in the release of, or tying up of minerals
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