Active Air Indoor-Outdoor Thermometer w/Hygrometer Organic Liquid Nutrients Size of the granular potassium

Size of the granular potassium sulfate is either the ag granular or mid granular depending on product availability

Suitable for use in gardens

Active Aqua's entire collection of pumps complete any grow setup

Thorvin Kelp | 5lb Bag | OMRI |

Blood Meal (13-0-0) - A natural source of nitrogen

Active Air Indoor-Outdoor Thermometer w/Hygrometer Organic Liquid Nutrients Size of the granular potassiumActive Air Indoor Outdoor Thermometer w Hygrometer Product Details Active Air's indoor outdoor thermometer gives you more. Made of sturdy materials to stand up to the climate of your indoor grow room, this essential tool features a large display to read the current temperature and humidity levels. A remote probe allows you to sample two temperatures at once. Record the high and low points for both temperature and humidity. 3 meter sensor for