Hanna HI98118 GroLine Waterproof pH Tester env-controller it also contains ferulic acid

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Hanna HI98118 GroLine Waterproof pH Tester env-controller it also contains ferulic acidThe HI98118 GroLine pocket pH Tester is an affordable way to measure the pH of hydroponic nutrient solutions. The maintaining of an optimal pH is essential to maximize optimum growth. The general rule of thumb is that as pH increases the solubility of minerals and nutrients decrease. It is important that nutrients are soluble for plants to uptake and use for growth. The pH of nutrient solution can also affect the bacteria that fix nitrogen for the

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