Humboldt Nutrients White Widow -- 1 lbs Powder + Water Soluble 55% RH Two-Way Control: Holds

55% RH Two-Way Control: Holds a small container at 55% rather than only adding or only removing moisture

DLC Warranty 5-Year Standard

This product is meticulously crafted to suit the needs of both novice and experienced growers

Installation is a breeze thanks to its user-friendly design

No Individual Wrap or Card: The bulk trade-off that brings per-packet cost down for high-volume work

Humboldt Nutrients White Widow -- 1 lbs Powder + Water Soluble 55% RH Two-Way Control: HoldsMycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizal, White Widow. White Widow is a mycorrhizal powder containing mycological spores. White Widow is a diverse, pure endomycorrhizal. The effectiveness of a soluble mycorrhizal inoculant relies heavily on two variables: the amount of spores in the product itself and the ability of that