PROGROW 1800 is an eight‑bar LED fixture from Grow Light Science released in April 2023. It draws 673 W at the wall and is intended for 4×4 ft flowering coverage (5×5 ft veg). Independent testing reports 1,821 µmol/s PPF and average PPFD of about 1,182 µmol/m²/s in a reflective 4×4 ft space at 18 in, with 777 µmol/m²/s over 5×5 ft. The fixture measures 47 × 42.8 × 3.2 in and weighs approximately 10.5 kg (23.2 lb). It uses top‑bin Samsung white diodes paired with Ledestar 660 nm reds, runs on 100–277 V AC, and offers 0–10 V control via dual RJ12 ports. The driver is removable and compatible with the brand’s PROGROW dimmer/controller. Rated IP65 and backed by a five‑year warranty.
