Hydroponic Research Veg + Bloom HD Size:25 Pound 1-2-3 for VPD - The

1-2-3 for VPD - The unit constantly monitors humidity

For best use

Roots Organics HP2 is minimally processed to preserve all of the benefits and amazing synergistic qualities found in guano and biogenic phosphate rock

is economical and is absorbed by the plant virtually immediately

kelp and other ingredients so plants grow well and produce more - even in the demanding conditions of your high-intensity garden

Hydroponic Research Veg + Bloom HD Size:25 Pound 1-2-3 for VPD - TheA Cation Exchange enhancer that gives you bigger leaves and fatter stems. The super concentrated formula can be used by the gram for reservoirs or mixed into a concentrate for dosers and fertigation systems for faster growth.