HLG 600 Rspec
#13 in 300 W and upFull review
A powerful, US designed panel for a 4x4 ft or larger tent. It costs far more for the same light than the bar lights here.
Amazon $559.95$559.95
2 Horticulture Lighting Group grow lights ranked. Each one is scored and ranked against every brand in its power, so "#3 mid-size" means third of all mid-size grow lights here, not third among Horticulture Lighting Group's own.
Horticulture Lighting Group makes 2 current grow lights: 1 under 300 W and 1 300 W and up. Prices run from $149 for the HLG 100 V2 4000K to $559.95 for the HLG 600 Rspec. Its best-rated model in each size: the HLG 100 V2 4000K (#10 of 10 under 300 W, rated 2.2) and the HLG 600 Rspec (#13 of 13 300 W and up, rated 3.3).
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Horticulture Lighting Group grow lights 2
- HLG 600 Rspec#13 300 W and upFull review
A powerful, US designed panel for a 4x4 ft or larger tent. It costs far more for the same light than the bar lights here.
Amazon $559.95$559.95600 W1,529 µmol/s2.6 µmol/J - HLG 100 V2 4000K#10 under 300 WFull review
A simple, silent white panel for a shelf of seedlings or herbs. Hard to justify on price against the cheaper dimmable panels here.
Amazon $149$14995 W224.5 µmol/s2.4 µmol/J
