Humboldt Nutrients Master B Size:1 gal This highly concentrated formula provides

This highly concentrated formula provides a powerful punch to plants and supplies the nutrients necessary to support the flowering and ripening stages

Dry KoolBloom® is the finishing touch trusted by professional cultivators to bring out the best in their crops

Kind® was formulated with the calcium and magnesium separate from the trace minerals

EC and TDS meters (NaCl scale or the 442 scale)

Humboldt Nutrients Master B Size:1 gal This highly concentrated formula providesHumboldt Nutrients Master A&B is a premium two part fertilizer program designed for all plants and made with the highest quality mineral ingredients. What sets the Master Series apart from its peers is the amino chelation of heavy metal micronutrient content. Other synthetic 2 part and 3 part programs use cheaper imported Chinese chemical chelating agents called EDTA and EHDDA, to make micronutrients available. These are highly toxic chemicals and are