The Acid formulation uses food grade Phosphoric acid to lower the pH to the proper level. Add a little at a time when your nutrient pH is too high in order to lower the pH to the proper level. Safe for use with all types of plants.
**Please Note: This item is considered HazMat and can not be shipped by air.**
Hefty harvests start with strong foundations. The Fertmax Grow series is a 2-part vegetative nutrient formula that offers a diverse...
EC 2.77 provides a standardized reference point when calibrating your EC probe. A calibrated EC sensor ensures accurate readings when...
Calibrate your pH measuring equipment with pH 7 and pH 4 to guarantee accurate readings of the acidity/alkalinity in your...
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Next week we're launching an all-new and improved farmhand Shop experience, which means it's time to do some spring cleaning! Browse the collection & stock up on your favorites before Monday April 19th!