GHE pH Down


pH Regulators

Premium pH management

GHE pH Down:

Premium pH management and buffering for hydroponics, coco and soil.



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There is no such thing as an ideal pH. High values help cation uptake and low values help anion uptake: every fixed pH is a compromise. The usual safe range recommendation is from 5.5 to 6.5. Our advice is to stay on the low side: from 5.5 to 6.2.

Not just a simple acid: GHE pH Down makes a real contribution to nutrient solution stability

To make GHE pH Down we carefully blend three acids commonly used alone in hydroponics to give you all the benefits of each – without the disadvantages.

GHE pH Down uses nitric and phosphoric acids to do the initial heavy lifting of altering your water pH, and the blend of both means no disturbance to your N/K ratios throughout grow and bloom – and no residue on the surface of your tank from using phosphoric alone in hard water areas. Then, with its own special characteristics, organic citric acid takes over to buffer pH changes over time, keeping your nutrient solution more stable, and helping handle calcium excesses in hard water areas.

Additional information

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0.5L, 1L, 5L, 10L, 60L


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