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It seems that my plants are producing less resin recently. I've been growing the same strain for going on 3 years, and the past couple yeilds have been less sticky then usual. My yeilds have been good, but the buds just seem like they are missing the resin they used to produce. I'm growing...

I don't know where to look for this bit of info. Im trying to find out how much more heat comes off a 1000watt hps verus a 600watt hps. Anyone ever compare the two? I have a 600 watt hps right now and I'm thinking I should have gotten a 1000 watt. I have a cool tube setup. And I think I'm...

Here's an issue I havn't seen addressed. Right now my lights are running at night, from 9pm to 9am due to the summer heat. But I was wanting to switch to a day time schedual when the fall comes around. I'm doing a perpetual harvest, so the plants are all in differnent stages, 2 weeks apart...

Anyone ever use one of these? http://www.4hydroponics.com/grow_room/co2boost.asp It looks interesting. Kinda expensive. I guess you could get a tank and regulator set up for about $250-$300. Just curious if anyone has ever used it and what type of results they had. Thanks

This has been in the planning stages for almost a 1 1/2 year. You can see my first post about it here: https://www.rollitup.org/grow-room-design-setup/29436-attic-grow-room-debate.html I'll give a quick summary. My wife and I just tired to looking for it. My wife and I both...

Does anyone have any good books for growing marijuna hydroponicly? Not general marijuna growing, but strictly hydroponic marijuna. I have a couple grow books(jorges bible ofcourse), but they really just give a general overview of hydroponics. Mine are outdated though. This website has been...

Ok, i'm alittle new to hydro. But this site has helped me learn alot this past couple months. I have messed with soil in the past, but just little closet grow ops. But I am currently in the process of building a grow op in my attic. I know, I know, the heat issues. I think I have it under...

I'm sure there are many people that have asked this before, but here goes. I'm planning on building a grow room in my attic. I know, the heat is going to be a major issue. But I plan on walling it in and placing a sub floor with the proper insulation. My air handler is right next to it which I...