Check the listing for details. Boca Hydro Chelated Calcium 14% EDTA Water Soluble Nutrient Fertilizer. Condition: New. Listed at 24.99 USD. SymptomsThe most prevalent sign of calcium deficiency is blossom end rot, in which a plant or tree drops its fruit or buds and appears to rot at the tip.Calcium Defeciency will also result in distorted growth and deformation of root tips, leaves, and shoot tips. In addition weaker plants are more suceptible to fungus and disease.Other symptoms include distorted fruits that do not form correctly or partially rot while growing, low density of buds, significaly reduced quality, potency, flavor, and yield of harvest and shortened shelf life.BenefitsCalcium is an essential element for plants. Healthy levels in plants are critical for fruit, leaf and bud development. Lush green leaves, increased growth during vegetative and flowering cycles. Fully developed fruits, vegetables and buds.Foliar1/2 teaspoon per gallonPots and Containers1/2 teaspoon per gallonLarge plants and trees1 teaspoon per gallonHydroponicsRecirculating 1/4 tsp per gallonSoilless, Coco or Rockwool Blocks and Slabs Use 1/4 teaspoon per gallon of water for young plants and seedlings, 1/2 teaspoon for adult plants, 1 teaspoon for large plants.FertigationMeasure PPM Of irrigation water, Mix 1 Teaspoon per gallon evenly with water, measure ppm then adjust injection rate accordingly. Amount can be increased depending on plant size.Drench 1 tablespoon per 5 gallonsDrench Large trees 2 tablespoons per 5 gallonsGuaranteed Analysis CAS # 7440-70-2Calcium (CA) Chelated ..... 14%