Active Air Indoor-Outdoor Thermometer w/Hygrometer Lighting The nutrients in our earthworm

The nutrients in our earthworm castings are plentiful

kelp and other ingredients so plants grow well and produce more - even in the demanding conditions of your high-intensity garden

The original Building-Block Nutrient System

Potassium (K) is also a macro nutritional element

and Potency When You Flush with Flawless Finish before Harvest

Active Air Indoor-Outdoor Thermometer w/Hygrometer Lighting The nutrients in our earthwormActive 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 and record the high and low points for both temperature and humidity.