Humboldt Nutrients Master AB 2-Part Box Starter Kit biological fertilizer Light energy between 500–599nm

Light energy between 500–599nm

reducing the risk of damage and expensive maintenance costs

Combined with high-quality fibrous peat moss

Includes 4 pH buffer solution in a sponge embedded in a clear cap

Humboldt Nutrients Master AB 2-Part Box Starter Kit biological fertilizer Light energy between 500–599nmHumboldt Nutrients Master A&B is a premium two part fertilizer program designed for all plants made with non toxic, high quality ingredients. This premium two part basic starter kit provides the core nutrients in HN's Master A and B schedule along with two other important products for successful gardening: Ginormous, a bloom booster, and White Widow, a powerful mycorrhizal inoculant. This kit acts as a solid base for new or experienced gardeners who