CropMaster is a lamp and nutrient brand of UAS of America, Inc., a Florida, United States manufacturer supplying liquid fertilizers, micronutrients and soil conditioners for agriculture, turf and hydroponic cultivation. The line spans liquid NPK blends, chelated trace elements, humic/fulvic acids, seaweed and fish emulsions, plus specialty products and plant growth regulators. Labels and literature use the “Products to grow with” tagline. The brand has been in U.S. commerce since 1994 (per USPTO trademark first‑use) and is supported by a library of tech sheets, SDS and OMRI‑listed organics. Headquarters and production are in Lake Panasoffkee, FL, with distribution through agents and private‑label programs. Although not cannabis‑specific, its formulations align with horticultural and hydroponic feeding programs commonly used by cannabis growers.























