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These are under an aircooled light, but because of restrictions I have to keep it about a foot away from the canopy. Does this look like this is because of heat or too much light? The temp in the room never gets above 80 though I can feel some heat close to the light.

The way my room is set up I have to keep a 400W light about a foot or so above freshly rooted clones and they don't look happy about it. Can I plug the ballast into a dimmer or should I look for a screen to put over the light? Or do I need to change up my grow room?

My roommate is watching these plants for me and I don't know what he's doing wrong :wall:. He says the ph and nutrients are good, they are being watered every 3 hours (in a flood table). My only guess is that it's overwatering (is that even possible in hydroton?) so I told him to water every 5...

So I left one of my hoses unhooked and it pumped roughly 15 gallons of water into my carpeted closet . I checked with the neighbors below me and they haven't noticed anything leaking through the ceiling. I'm drying the carpet with grow lights and fans. Is there anything else I can do? Will all...

So I left one of my hoses unhooked and it pumped roughly 15 gallons of water into my carpeted closet :wall:. I checked with the neighbors below me and they haven't noticed anything leaking through the ceiling. I'm drying the carpet with grow lights and fans. Is there anything else I can do...

My only guess is overfertilization. Maybe you guys can help. The spots are light green/yellow.

So as my plants began to bud I upped the nutrients I was giving them (I'm using a flood table). Shortly after that I noticed the leaves were looking dry. They were still as dark green and perky as could be, but the looked a little wrinkly and felt crispy. At first I thought it was just because...

I just finished my second hydro SOG grow with 24 plants under two 600W HPS in a 4X4 growing area. I ended up with just over a pound which was cool, but I know I could have done a lot better. I think my pots were too small for my plant height (~3 Liter pots with plants just under 3 ft.) and the...

I have root aphids so I went to my local hydro store for a solution. They told me I should use Azamax and dump an entire $70 bottle into my reservoir. That seems like a huge waste to me, so I'm wondering if you guys know of a more effecient way to use it. I was thinking I'd just fill a bucket...

I've been looking all over the place and I can't figure out what they are. I can see them chilling on the roots (absolutely none on the leaves or stems) and floating around and dying when I flood my table (I'm using a flood table with pots filled with hydroton). They're extremely tiny...

The past few days my plants have been going through periods where all the leaves are drooping pretty badly (pointing at the ground). Then they'll pop back up just as quickly (during either the dark or light period) and look really healthy, no yellowing at all but some redness on the branches. It...

I'm looking into keeping some mother plants in a section of my grow room. All I really need is about 40 clones every 3 months. I figure T5 flourescent lights are a good option, so my questions are: How much heat comes off of these lights and how many do I need to maintain three or four short...

I have two 600 watt lights cooled by a 435 cfm fan. The line is no more than 6 or 7 feet start to finish. Would I be able to attach a carbon scrubber to the first light at the beginning of the line, or do I need to buy another fan for the scrubber? And what size scrubber do you think I'll need...

The past few days my plants have been going through periods where all the leaves are wilting pretty badly (typically during the dark cycle but sometimes during light too). Then they'll pop back up just as quickly and look really healthy, no yellowing at all but some redness on the branches. It...

I've got 26 lollipopped plants crammed into a 2X4 flood table under a 600w light. There about 10" tall and I plan to switch the light cycle in the next couple of days. I was planning on expanding the grow area to 4X4 once the plants got bigger (by using another 2X4 table and another 600W light)...

I got these clones through a friend a couple days ago and they are looking pretty sad. I have never used such scrawny clones and it seems tough just keeping them alive. To make things worse I let the temp get too high the first day I had them which burnt some of the leaves. I am using an air...

I'm about 3 weeks into flowering and one of the plants is definitely looking like it's more sativa than indica (clones came from a friend). It's the only one not really budding and it's starting to tower above the rest of them. I already topped it once a couple of weeks ago but it's still...

I just started using a small A/C unit that's meant to be in a window. What I didn't realize is that cold air comes out one side, and hot ass exhaust comes out the other side. For A/C purposes this is fine, because the exhaust would be going out the window, but for grow room purposes it's kinda...

I'm trying a SOG grow in a 2x4 flood table. Everything is looking pretty good so far except for a few funky looking leaves. Hopefully you guys can help me diagnose them. Some info on the grow: The strains are Bubba kush, bubblegum, and master kush. Using tap water that comes out a 500ppm (San...

I'm trying a SOG grow in a 2x4 flood table. Everything is looking pretty good so far except for a few funky looking leaves. Hopefully you guys can help me diagnose them. Some info on the grow: The strains are Bubba kush, bubblegum, and master kush. Using tap water that comes out a 500ppm (San...