White Widow

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 product t..

£14.95