Jack's Nutrients

More professional growers have used this product for all their growing needs than any other formula. It is a balanced blend of Nitrogen, Phosphorus and Potassium with fully chelated trace elements that works on all plant materials as a general-purpose...

An essential "Part B" provides a very soluble and available source of calcium in a two-part nutrient system. Contains very pure and completely available calcium and nitrate nitrogen nutrient sources.