For the Purist in you. These products follow Jacks Jack's 12-4-16 Base nutrition schedule and contains formulas designed to add back all the beneficial nutrients your plants need to grow and thrive. Targeted to achieve the optimal nutrient balance for water sources that have low concentrations of calcium and magnesium (40 ppm Ca/Mg or less). Add the Jack's Clone formula as well if you want to give a boost to your seedlings or clones.
See the nutrion schedule (Jack's 12-4-16 Base) on Jack's website for more details.
VERY pleasantly surprised with all my tests with jacks nutrients. I grow in coco coir, and am getting amazing results using the jacks nutrients paired with my RO water. I will continue to test the nutrients but my plants at home are fed exclusively Jacks! Grab yourself a pocket scale to weigh the powder, and some Indoor Farmer measuring spoons and get ready for some explosive growth. 2.3 EC seemed a little high and I was worried, but I follow the nutrient schedule to a T and am getting better results than ever.