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I bought a CMF exhaust / Carbon filter combo but cant figure out why one end of the filter is closed. Most advice I have seen online says to pull the air through the filter and out then out the exhuast which would mean BOTH ends of the filter would need to be open. Its possible that the closed...

I set up my new 400w light and intake fan last night. The exhaust does wonders for the temp in my tent!! Right now i have a MH bulb in and have it about 15 inches from my plants. It seems like i could get much closer to the plants with the cooling tube keeping the heat from the light down...

My tent is 3 X 3 X 5 and i want to maximize grow space in there. I just bought a carbon filter/inline fan combo. I would like to set it up with the fan and filter outside the tent. So inside the tent i would have tubing connecting from my cooling tube, then exhausted out the top to the...

Has anyone used these from HTGsupply? They say they will hold up to 25 pounds. From what ive read once you have them figured out they really save you a good amount of hassel when adjusting your light but the reviews were def mixed. What do you think? Are they easier to use then chains? Are...

I am transplanting to 5 gallons buckets this week and want to find the best air stones for the buckets. Does anyone have a favorite that seems to perform better then the rest? What do you use to keep them from floating? Ive seen a few online that claim to be weighted and will stay in place...

Id like to thank you guy for all your advice to this point. I started out with CFL's and have since upgraded to a 400w Lumatek digital ballast with hortilux HPS for Flowering and also a MH bulb that i will use for VEG. I got a nice exhaust filter combo for airflow, temp control, and odor...

My tent is 32 X 32 X63" and I plan on having 4 plants going at once. I am planning on using a carbon filter/fan combo with about 185CMF and passive intake. The HPS bulbs Im looking at come with a cooling tube as well. The tent will exhaust into a large open area and the room tempature will be...

My grow tent has 4" exhaust holes and I have a carbon filter/fan combo with 4" tubes. The light i would like to get has a cooling tube with 6" intake. How can I get these two to be compatible with each other? Is there some type of conversion tubing or attachment i can buy?

I plan on using a cooling tube, a carbon filtter/fan combo, and an intake fan. With a little under 9sqft of space is using the 600W overkill? Either way I will probably use the same cooling techniques so costs will be about the same. The upfront cost difference is maybe $70, so if there is...

I was planning an all CFL grow but after reading post from experienced growers have decided HPS is the way to go. My grow tent is 32x32x63" and i have 4 little guys (AK48) in veg right now. Do you think a 400w HPS is the ideal power or should i go 250w or 600w? Also I not sure what the...

I have the attached grow tent and im thinking of buying the attached carbon filter. Does anyone know the best way to attached the filter to the tent? Ive read they are pretty heavy and the tent doesnt have much to attach to. There is a 4" hole in the top for exhaust but im confused as to how to...

Does anyone know what intake fan would fit my grow box that has a 4" circular opening? Im using CFL's so i dont need anything powerful or expensive. Thanks!!

I have a 3 X 3 X 6 grow tent set-up with about 300 Watts of CLF's. right now im still just a couple of weeks into veg but plan on adding another 250 watts during flowering. Right now i just have one small fan blowing cool air into a vent at the bottom of the tent and that might be enough, but...