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Mills pH up & pH down

Mills pH up & pH down

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  • Faster, Healthier Growth
  • Maintains optimal pH levels
  • Facilitates nutrient uptake
  • Stabilize your nutrient solution for consistent results
  • Neutralize hard water
  • pH up and pH down formulations available.
  • Available in a range of sizes


Please Note: From November 1st 2019, In accordance with the Offensive Weapons Act 2019, this product is prohibited for sale to those under 18. If you place an order to purchase this item, we will send you an email requesting proof of age in the form of official photo identity document (passport or Driving licence). Orders will not be dispatched until the authenticity of the document has been ascertained. The courier may require an age verification check at the point of delivery. Alternatively, you can pick up in store and show your proof to staff.

Maintain optimal pH levels

Mills pH supplement works to stabilize and optimize the pH levels of your plants irrigation water throughout the growing cycle.

Mills pH can be used to adjust pH levels throughout all stages of cultivation – keeping pH levels firmly between 5.8 and 6.2.

Maintaining the correct pH levels is essential to promoting rapid, vigorous growth and ensuring a perfect balance between the nutrients and the substrate.

Mills pH down has been formulated from phosphoric Acid (59%), which breaks down into plant available phosphourous over time, spuring root and fruit growth. Use Mills pH down to reduce reservoir pH to optimal levels in any substrate.

Mills pH up is used to increase the pH of a solution. You’re less likely to require pH up for recirculating systems but if you’re water is acidic, you will get better results by treating all your nutrient solution to 6.0, particularly in hard water areas.


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