Humboldt Nutrients White Widow -- 1 lbs Powder + Water Soluble The consistent structure of the

The consistent structure of the slabs ensures easy handling and uniform water distribution

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

2 in tall x 12

Installation is a breeze thanks to its user-friendly design

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

Humboldt Nutrients White Widow -- 1 lbs Powder + Water Soluble The consistent structure of theMycorrhizal 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