Master B Retail prices:5gal Our Natural 2-Part Kit gives

Our Natural 2-Part Kit gives soil gardeners a full spectrum of essential nutrients

Calcium (Ca)…………………………

Other synthetic 2-part and 3-part programs use cheaper imported Chinese chemical chelating agents called EDTA and EHDDA

15% Water Insoluble Nitrogen

Master B Retail prices:5gal Our Natural 2-Part Kit gives1 5 6 Humboldt 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