Humboldt Nutrients Master A Lighting Accessories Its unique low-nitrogen formula makes

Its unique low-nitrogen formula makes it ideal for delicate early growth stages such as seedlings

and large drain channels allow water to drain completely away from plants while giving extra structural support to the design

blue and green spectral energy to optimize plant growth and yield

and can be used with all substrates and fertilizers

Humboldt Nutrients Master A Lighting Accessories Its unique low-nitrogen formula makesHumboldt 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