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Those are not HPS lights. They are MH. But i know what you mean. The second pictures are not clear enough for you to see? TY for the chart but i understand there is a deficiency but I'm confused what is causing it.

more pictures

Hi guys I have some plants in rockwool I think I may be under watering them. My last crop I had a big problem about over watering so now I'm paranoid about doing it again. I feel the rockwool is moist but i am getting yellowing leaves? I am watering about every 3 days until they get established...

This is my first time growing in rockwool. I've grown fine in hydroton. I think I will go back to it.

I was thinking of doing this.

Hey guys, Ive been having problems with my plants in veg. I think i was over watering them so I haven't watered them in 2 days and the rockwool is still wet. The plants are about a month old and still not showing roots from the 6in net pots. Stems are very dark purple. Showing very slow new...

look like a calcium deficiency to me. Is there purple stems as well?

iirc heat can lock out nutes. get your heat in check then see if you still have the problems.

I ended up rewiring everything. i kept everything at 110v. I reran the lines with 12-2 to be safe.

So 240ballasts are useless?

Im switching to lower the amps, to add on other things.

yea all of my ballasts can run 240v. run is 10 feet.

I was unaware of different of vac ratings of lamps. would you mind explaining? thank you

ok i just answered my own question. I googled it and looks like 14g wire is rated for max 15 amps so I think I'm ok.

Hey guys my current 5kw of HIDs are all on 110v circuits. I want to switch things up to 240v. The 5 lights are currently wired to 3 110v 20 amp breakers on 14/2 wire. Can i just take these breakers out and install 3 240v 15 amp breakers on the 14g wire sense its only 8.2amps per breaker? Or do...

Yikes! 3 weeks? you've got to be exaggerating.

Hey guys this is going to be my first harvest with TGA Qush. Anyway I've ran into a few problems "mostly heat" during the life of these plants that most likely stunted their growth. They were put into 12/12 on March 13th. They are under 1k HPSs, in a top-feed/NFT system. currently 75F, 20% humid...

first 3 pictures are of a 3 week old plants under t8s. about 75F 20% humid what are their problems? this is a plant is 3 weeks into flower. A heat problem killed all the lower leafs and they are still not looking better. under 1k HPS about 85F, 20% humid

I have been using it and I was thinking I was chancing it by using it. Thats why i am looking into LEDs. :)

Thanks for your answer. I have one of those green CFLs ive gotten from home depot. I just wasnt sure if there was a difference between led green light and a green cfl.