Contains calcium and magnesium to correct common nutrient deficiencies like tomato blossom end rot, Unique formula includes boron for stress and disease resistance, Iron to support the synthesis of chlorophyll, Can be applied as needed during all growing stages of hemp, vegetables, fruit and herbs, Can be used in all types of growing medium, including hydroponics, coco, soil and garden containers

One gallon of CAL-MAG B PRO 4-0-0 liquid supplement

Shake well before each use. Use with every watering as needed. Mix well and adjust pH accordingly., For garden vegetables: Apply 2 to 4 oz per 1,000 sq ft. At bud state, repeat in 7 to 10 day intervals., For foliar applications: Add 1 tbsp per 1 gal of water. Mix well and adjust pH to 6.2–7.0 before application.

Does not ship to AK, HI