Oneness - 1 Gal. - Humboldt Nutrients dl-HNO410
... , Boric acid, Copper sulfate, Ferrous sulfate (Iron), Manganese sulfate, and Zinc sulfate. Directions: Fill your reservoir
with clean water to the amount desired. Make sure to measure accurately to ensure proper ... the water temperature between 65-75 degrees F. After adding nutrients to reservoir
adjusts PH to 5.5-6.5. Replace reservoir
water with fresh water every 1-2 weeks, and keep tanks ... Details...