I just installed a 600w HPS because I'm going to start flowering. Came back after install about 4 hours later and room was significantly hotter. Don't have a thermometer yet(anyone have any suggestions), and my bushier plant and my smalled plant had major leaf witling. No browning or burn marks, just very flimsy droopy leaves. I quickly propped the closet door open and turned the room air conditioner on.
My questions are:
Will the wilting leaves be okay if the temp drops?

Can I leave the door on the room adjarded durning the light hours with no ill effects? The whole room and door and pots are mylar'ed and its still quite bright in the room.

Any solutions for keeping the closet cooler? All i can think of is buy a cheap door and cut some holes for vents in it. I currently have just a big 20 inch fan blowing at an angle in the room. Was never a problem when I had just the flouros on it. don't want my babies to die, they've come so far.

i think the plant will be ok but really it all depends on how high the temp got. i'd say over 95 degrees and you can easily kill a seedling. i think if it continues to wilt more after the temps are down the plant is probably dying. i wouldnt try to cool them down to quickly either or you may stress them out and/or kill them.

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"Make the most of the hemp seed, sow it everywhere." - George Washington

They're not seedlings they are a good 12" tall. I was just about to begin flowering.

they will probably be alright then. unless their getting worse.

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"Make the most of the hemp seed, sow it everywhere." - George Washington

its been to soon to notice any difference? will it be okay to leave the door cracked? Also should I water or mist them to help rehydrate them. I transplanted today and watered them.

if you replanted today and watered plus the heat they me be a little stressed. i would just keep the temps down and leave them be for a few days.

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"Make the most of the hemp seed, sow it everywhere." - George Washington

hey depending on your budget here is an idea..buy a cheap door like you mentioned earlier and get u one of those really small air conditioners..like under $100 at lowes then cut out the door to fit that and that way you can keep constant temps..but I guess that all depends on how stealthy you have to be and budget...what strains are you growing?

its bag seed so I have no idea. I'll take some pictures for a grow journal soon for everyone. Its my first grow obviously so I've been really trying to learn as much as possible. I was thinking the cheap door idea but i realized that the door is in a really old house and probably isn't standard sizing. Do anyone think that a bathroom exhaust fan would work if I put a piece of MDF instead of a door? and have a hole cut at the bottom for my 20" fan?

just found this bad boy.
6 In. 110VAC 250CFM In-Line Duct Fan - 3011 at The Home Depot

Can I wire this thing straight to a plug and plug it into an outlet? This would deff. solve my problems. just have this suck the air out right by the light to the top of the door and have a little hole cut in the bottom as passive air intake..? would that work?

No thermometer and/or hydrometer in the room?
Bad Doug! bad Doug!

Fix the heat!. Whats your room? If a closet/cabinet then you pretty much *have* to get a sealed air cooled hood/cooltube (fresh air in, an out of the room)

Footnote and gripe: I see SO many people bash the CFLs with cost being a big factor. "You could get a 400HPS for less then that!" But the caveat of this is that if its a closet or cabinet, you can't get the socket and batwing.
You need the cooled hood, ducting and fan. Now you are a lot closer to the $400 mark.

Ok, off the soap box, sorry.

You do keep the ballast outside of the room, yes?

For a thermo/hydrometer, I'm lazy and like info at my fingertips. So I got an indoor/outdoor digital. Its a 2 zone. Stuff the remote in the grow room, sit the base station on an end table and I'm done. Can monitor it from the living room while watching House. I think it was like $30 from Walmart.

Plants will bounce back fine once temp drops as long as its soon.

Cheap? The door idea will work. But keep in mind that the cheap doors are hollow, so a hole at the top and the hole at the bottom are internally connected. (a can of Great Stuff foam insulation will fix that. but remember it expands a LOT.

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