Got a New Toy for My Growroom...

[GaGrown]

I need to try and modify to be able to get the same results as you are. When these babies go into flowering, they stink up my place even with controlling devices. The product that is the result, is well worth it, but have yet to be able to disguise the scent totatlly. Although, luckily I don't have many people coming over to visit.

Lemme ask ya this.. Do you have Central heating? Are the registers (grills) on the floor or ceiling? I can help ya by know this. That way if they are on the floor.You could add a vent hole in or near your room. Later you'll be able to put a boot in the hole you cut,none the wiser.:thumbsup:

[WashougalWonder]

"It's easier to push than it is to pull." Objects that is... Air is just the opposite. The reason your noise was reduced.. Was because your using only half of your intended CFM.. Because your building up static pressure in your can filter.It backs up and turns to negative pressure resulting in cfm loss and compromises the intentended use of the filter. I love ventilation issues as well.:thumbsup:

Okay, so lets give you a task. Fan 750 cfm Vortex. Filter 39" long rated at 950 cfm. For the very reason of not working the fan so hard I went the size up. I want to reduce the noise, I liked it quieter, but don't want to loose cfm...too humid here, got to have extra air flow for the humid environment.

Does it have any help on the outflow by using over sized filter?

How does one reduce noise on the outflow without working the fan more. Can't go under floor boards. Maybe another pre filter same size as can? Will that cut the noise and not over work the fan?

[GaGrown]

Okay, so lets give you a task. Fan 750 cfm Vortex. Filter 39" long rated at 950 cfm. For the very reason of not working the fan so hard I went the size up. I want to reduce the noise, I liked it quieter, but don't want to loose cfm...too humid here, got to have extra air flow for the humid environment.

Does it have any help on the outflow by using over sized filter?

How does one reduce noise on the outflow without working the fan more. Can't go under floor boards. Maybe another pre filter same size as can? Will that cut the noise and not over work the fan?

If your filter is rated at 950 cfm.. Then that would tell me that those are the scrubbing cfm rating. Which is recirculated in the room. You would have a rating of a lower cfm for exhaust.. Thats pulling, through the filter (pulling).. With humidity 80% or more your gonna have to buy a new filter in 8-10 months.You can control the humidity inside the room,but you can't outside the walls of your home.

Here is what you do to your fan. The straighter the runs and shorter you have them mean alot. Even how tight they get pulled. Flex that is not pulled tight,even in a straight line.. Eat cfm's for lunch! Every bend subtracts total cfm,depending on how many bends and turns you make.

Then your gonna insulate the whole fan as if it were covered in a blanket. Or you can use a blanket.. Your gonna do about a ft. or 2 of the ducting you have on both sides of the fan.Insulate.. It'll make things alot better for ya! But... I should mention. If you put the filter on the exhaust end.Your filter will last longer.

Does it have any help on the outflow by using over sized filter?

Yes.. But not much.. You have more air trying to find a way out,than gets out.. Backpressure from the endcap is pushing it's way back into the fan housing.. Negative pressure.. High static pressure. You end up just churnin' the air.

[KaptainKron]

I have a 12" vortex running through a muffler 2ft off of it then ducting out the house. It runs very quiet.

[GaGrown]

I have a 12" vortex running through a muffler 2ft off of it then ducting out the house. It runs very quiet.

But are you using a carbon filter? If not.. Then it will be quiet..It kinda matters in the application we are trying to use.:thumbsup:

[WashougalWonder]

Thank you. Nothing on fan except the filter on the intake side.

[GaGrown]

Thank you. Nothing on fan except the filter on the intake side.

Everthang good now?:thumbsup:

[captainendoe]

where do you get one of these bad boys and how much am i looking to pay?

[GaGrown]

where do you get one of these bad boys and how much am i looking to pay?

I got mine from nehydro.com It's a Can 33,Original Can-Filters.. I think it was 109.00.. Found the link..

Can-Filters CAN 33 Carbon Filter [CF-33] - $109.95 : Hydroponics Gardening Supplies, Systems & Growing Light Kits | neHydro

It's a Good 1 for sure!:thumbsup: You need at least 200-265 cfm fan for exhaust. When using this filter.

[captainendoe]

awesome thanks.