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11-03-2009, 07:31 AM
| #22 | ||
| Senior Gardener  Join Date: Dec 2008 Location: South Central
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  | Speaking form personal experience and just to reinforce what has already been said the home Depot 4 inch duct fan will not work well enough to control humidity or temperature. I used one for two grows and ended up having to subsidize with a loud computer fan I had laying around. I bought a 6 inch 449cfm vortex fan for about $180 and now I can precisely control temps and humidity no problem. don't even need a dehumidifier anymore. Don't waste your money on a $20 duct fan if it's going to be your sole source of exhaust.
__________________ Plant a seed, crack a smile. If you knew that failure was impossible, what would you attempt? Fall 2009 Journal - Spud Keeps Snow White In A Cabinet Winter 2009 - Hydro CFL Grow Journal Last edited by countyspud; 11-03-2009 at 07:46 AM.. Reason: typo | ||
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11-03-2009, 07:41 AM
| #23 | ||
| Not Quite Master Gardener   Join Date: Jan 2009 Location: El Sol
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| Well, I'm not running the 4", but I do have the 6" inline duct fans ($20 @ HTG), one for intake and one for outtake and they work fine for me. What I did learn is you can't have passive intake w/ these as your main fans, you absolutely need to be running both concurrently. Not saying it's a great solution or anything, but felt I needed to put my 2 cents in regarding them 'not working'. They work, you'll just need at least two of them and may need a dehumidifier for flower to help w/ humidity. 
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| The Following 2 Users Say Thank You to UpNorth For This Useful Post: | CamperDon (11-03-2009), countyspud (11-03-2009) |
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11-03-2009, 07:47 AM
| #24 | ||
| Senior Gardener Join Date: Dec 2008 Location: South Central
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| I like what UpNorth said. It's all about the context. Two of them with a dehumidifier might be an excellent and cheaper solution for you not to mention space saving.
__________________ Plant a seed, crack a smile. If you knew that failure was impossible, what would you attempt? Fall 2009 Journal - Spud Keeps Snow White In A Cabinet Winter 2009 - Hydro CFL Grow Journal | ||
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| The Following User Says Thank You to countyspud For This Useful Post: | CamperDon (11-03-2009) |
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