Master A & B Kit Instead of chemical chelates like

Instead of chemical chelates like EDTA

Humboldt Honey ES provides a quality food source for essential microflora within healthy soils

Use only as directed

…45 spores/cc

0% Water Soluble Iron

Master A & B Kit Instead of chemical chelates likeKit contains the Following: Master A 32oz. Master B 32oz. Ginormous 32oz. Calyx Magnum 32oz. Humboldt Nutrients Master A&B is a premium two part fertilizer program designed for all plants and made with high quality mineral ingredients. Our Premium 2 Part Basic Starter Kit provides the base nutrients in our Master A&B, along with Ginormous(bloom booster) and Calyx Magnum(Cal Mag Supplement).