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Hi, probably a stupid question but can a normal 240v metal halide bulb be used in a dimlux 400v ballast? Been looking everywhere and unable to find a 400v one. I'm in the uk

Just nipped round to look at mates grow and spotted a male or hermie amongst 8 plants he has in a 8x4. Plants exactly 3 weeks in flower, is it worthwhile carrying on flowering the rest, or are they likely pollinated.

Just checked my tent and light was on 5 hour into dark period, one 15 minute segment was left on. This has probably been like this for 2 weeks,plant is 5 weeks in flower. Seems to be bulking up nicely but have never grown strain before pineapple express. Anyone guess likely consequences of this...

Anyone care to comment on these leds looking for 2 of the 700 or 510w in a 8x4. Thought 700s would be to much but specs say not.

hi, got four 288 quantum boards i want to run in a 2x4 veg tent, i only want to run them at 60w each board. should i run them all off 1 meanwell 240h-48 or 2 meanwell 240h-48 and dim them. have 2 of the drivers spare so whichever is more efficient will go with.

just took my samsung strips down and looking a bit grubby would isopropyl be ok to clean them with

hi got a folux board from meiju and 1 of the strips is not working. i have had board a few months just wondering if its still safe to run like this. driver is HLG-120H-48B

grower here for 7-8 years started out on cfl and blurple moved on to cmh then hps now just bought some quantum boards and looking for advice from you all