A professional plant nutrient formula for larger hydrogardening applications such as greenhouse vegetable production. A dry base containing a 6-13-30 NPK with increased sulfur is used along with a catalyst (magnesuim sulphate) and a vegetative formula (calcium nitrate). In heavy fruit and flower cropping a bloom supplement (potassium sulphate) is recommended. Vegetative Formula: Base 2.8 grams/gal. Grow 2.25 grams/gal. Catalyst 1.25 grams/gal. Bloom 1 gram/gal. Bloom Formula: Base 2.8 grams/gal. Grow 1.75 grams/gal. Catalyst 1.25 grams/gal. Base 6-13-30 w/Trace: PPM/2.8 grams/gallon N 38 P 100 K 230 S 100