Guano Company International offers premium bat and seabird guano, well-known to be a nutrient-rich fertilizer. The nutrients provided by Guano Company International fertilizer can be blended directly into hydroponic potting soil to promote root and bud development. Nutrients offered by The Guano Company International are harvested sustainably from bats and seabirds. HTG Supply offers only the best nutrients from the industry’s top brands. Shop today for the best deals on industry-leading hydroponics.