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So the exhaust pushes the air through it? Sorry im retarded, obviously dont know what the negative side is. Thanks for the help too!!

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...

Thats what i was thinking too. Im using a 6 inch cooling tube with a powerful exhaust so im going to move it closer tonight. Thanks

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...

Thanks for the reply. Im gonna try it like that at first, if smell becomes an issue ill hang it inside. I have my own place so its more or less to keep the odor from engulfing my entire place.

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...

Nice.... Yea i have a cool tube as well so im hoping to avoid the 2.5lb weight but ive heard that method works fine. Thanks

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...

Nice. Thanks guys

Those seem to be what most people suggest but do they stay at the bottom or want to float to the top?

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...

I think you guys are probably right, its only an extra $60 or so for the better fan. Might as well shell it out now and avoid upgrade cost later.

Smucker, what did you use to watch the temps? Just the 3 small fans or any type of exhaust? If you used exhaust do you remember the CMF's? Ive read that a exhaust/filter combo will greatly reduce the power of the exhaust since it has to go through the filter first.

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...

The room tempature is around 70F, so not too bad and yes its about to be winter. However id like to be able to use this light in summer as well. I do have a portable AC unit that i can use in the room to keep it additionally cool. The heat would be exhausted directly into the room so its not...

Hi guys! Thinking about joining club 600. My tent is 32" x 32" x 63" and i have 4 little plants in veg right now. Is a 600W HPS with a cooling tube and carbon filter/fan exhaust going to be a heat issue for me? What would you say is the minimal CFM i need for the filter/exhaust fan? I...

Thanks guys I really appreciate it!!

I havent ordered the filter/fan yet either.... Maybe get a 6" there and then just force that out the 4" exhaust hole?

Can i just use a 6" from the cooling tube to the filter and force it in the 4" hole? Maybe seal it with duct tape or something?