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Built-in flange
Potassium (K) is also a macro nutritional element
The original Building-Block Nutrient System
healthy leaves
kelp and other ingredients so plants grow well and produce more - even in the demanding conditions of your high-intensity garden
Active Air Indoor-Outdoor Thermometer w/Hygrometer Lighting Built-in flangeActive 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.
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