$110.00
Hefty harvests start with strong foundations. The Fertmax Grow series is a 2-part vegetative nutrient formula that offers a diverse...
$33.60
The Acid formulation uses food grade Phosphoric acid to lower the pH to the proper level. Add a little at...
$9.50
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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