ENVY Hydroponic Base Nutrient Combination Whether You're Growing Veggies, or Vegging Grows - ENVY's Liquid A/B Combination Provides Excellent Base Nutrition to Boost Vigor and Yeilds Growing vegetables, crops or herbs hydroponically can provide excellent yields, healthy plants, and condensed growth stages. ENVY's A/B Liquid provides a robust base nutrient combination for all hydroponically grown crops; and includes 5% Calcium without utilizing Calcium Chloride. Many base nutrients make outlandish claims about yields, ingredients and composition. ENVY has been producing plant food since 1962, and with that experience comes quality you know you can trust. We cut 0 corners with out ingredients; deriving our formulas from top-quality ingredients that are great for Hydro, Soil and Coco-Coir grow mediums. We are often asked why our A/B nutrients are so affordable; put simply, we own the production. All of our base nutrients are formulated, blended and packaged in our Chicago, IL facility - the same place we blend our liquid and soluble nutrients that are used in crop, herb and veggie farming Nationwide. Grow Green with ENVY for happy plants, growers and wallets. ENVY A/B Liquid Nutrients for Hydro, Soil & Coco-Coir Growing Quality ingredients, such as Iron Chelated with DPTA ensure maximum nutrient absorption Our AB Liquid Nutrients are super-concentrated; offering top-quality nutrients for abundant harvests PERFECT FOR R.O. & COIR - formulated to replace minerals depleted by reverse osmosis or coco coir GREAT FOR SOIL, COCO-COIR and HYDROPONICS SUITABLE FOR USE WITH ALL VEGETABLES, HERBS & PLANTS