Humboldt Nutrients Humboldt Roots Gallon Air Stones The #4 is the largest

The #4 is the largest perlite on the market and averages a whopping size of around 1 inch

primary N-P-K plant foods

now rated increased to 80 Pint capacity

these cages fold flat for easy storage

Up to 20 GM flow rates

Humboldt Nutrients Humboldt Roots Gallon Air Stones The #4 is the largestHumboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. A large yield is directly related to a plant's metabolic rate. The plant metabolism rates are directly related to the root zone's capabilities to uptake nutrients and fertilizers. Humboldt Roots was specifically designed to expand the root zone which results in larger yields.