Facts I paid $890 for 1-hlg 550 I could have got 1-1000 watt hps air cooled hood for $150 with filter fan ducting $180 4x4 tent $125 25-3 gallon bags for soil $9 bale of soil $50 full line of nutrients for all under $800 one LED $890
You are 100% correct I ran two cycles of hlg 550 with AC an co2 it was trash yeah they flowered faster but the overall yield was still half that of HPS ima veteran ran 1000 watt hps for years no problem keep a fresh bulb an dust them hoods off plug an go 1 gram per watt or .7 gram per watt...
Day 7 of flower I don’t tuck until about day 14 I let them blow Thru the screen local strain Lemon squeeze pheno #3 of 4 phenos hybrid loves her cal mag 8-12 week flower time above average yield pest resistant 10 growing in bcuzzz soil HP ph 6.0-6.3 600-1200 Ppm using Megis organic Nutrients