Humboldt Nutrients White Widow -- 1 lbs Powder + Water Soluble No Individual Wrap or Card:

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

PPF Output: 2000 umol/s PPF puts the fixture in HPS replacement class for flower rooms

DLC Warranty 5-Year Standard

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

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 No Individual Wrap or Card:Mycorrhizal 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