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Fair Water resistance
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pH Up Concentrate 250ml Nutrifield Hydroponic Phosphoric Acid Soil Solution Electronics > Battery Chargers & Power Fair Water resistanceNutrifield pH Up & Down are tank controllers that will assist in reaching desired pH levels. The pH scale measures how acidic or basic (alkaline) a substance is. It ranges from 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic, and a pH greater than 7 is basic (alkaline). Plants thrive in a pH range of 5. 5 to 6. 5. When monitoring your reservoir or tank, you should always check your pH levels to ensure that you stay within an acceptable range
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