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Ph- Grow

Ph- Grow

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pH- Grow is a pH reducer designed to be used exclusively during your cannabis plants’ growth period.

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pH- Grow by Mills is a product that contains nitric acid, which reduces pH levels in water. This product is designed to be used during the growth period when your nutrient solution’s pH is too high for your plants to efficiently absorb nutrients.

Its nitric acid formula doesn’t create any issues for your plants during the growth period, which might happen if you use phosphoric acid; it can end up building up in your substrate, which can be an issue.

In order to use it properly, we recommend doing so after adding all of your nutrients to your water solution and using a pH gauge in order to adjust the parameters properly.

Dosage and how to use:

  • Add to your water after adding your usual fertilizers, nutrients and additives.
  • Add 0.5ml per liter of water as needed.
  • Use only during the growth phase.


  • 38% nitric acid

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Ph- Grow Reviews


Gracias Diego, es importante que el ph este equilibrado jeje


Crece mucho mejor, con la reduccion de ph me come mejor la planta

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Ph- Grow

Ph- Grow