What is More Efficient?

dankie

Well-Known Member
So what is more efficient, pulling air through your reflector to your fan and out to your carbon filter, or pushing air through the reflector and to your carbon filter?

I had it pushing the air through the reflector and then to the filter. I have read here to definitley push it through the air filter, but should the reflector be before or after the fan?
 

nongreenthumb

Well-Known Member
if you pull it through the filter first and then through the light, then on the otherside of the light you can exhaust
 

Father Jack

Well-Known Member
^^What he said.

It's always best to pull through a scrubber...unless you have the new odorsok...which apparently, is made to work either way.

Drink!
 

lookout

Active Member
You need to make sure your light is air tight or smell will go through your light and out your exhaust never going through your filter.
 

dankie

Well-Known Member
I doubt my light is airtight, gonna look after work. It has a hinge that the glass can swing open on.
 

F4t4LShot

Well-Known Member
Actually its more like this.
Room Air--->light--->fan--->filter--->outside

This way you pull the old, stale, STINKY air out of the room over the light and it cools the light, then it goes through the fan (duh :P), then it goes through filter to get rid of smell, then it goes outside. This is how mine is set up, it works perfect. See the duct runs out of the room just makes a uturn and comes right back in. It is towards the top obviously. There is a 6in hole at the bottom of the room so it also pulls in cool, fresh air as it removes old air at the top. Then all this air goes through filter which is attached to the side of the shed. You could keep it inside or hide it somewhere else if you wanted to. There you have it. The air coming out is clean. The air inside is fresh. See in the top left of the first pic. The duct runs outside, makes a u and comes in right beside itself. The second one is just another view of that. The third pic shows the fan sucking all of this air across the light. The left side of the fan is the big hole, the right side is the small hole. It sucks from the right to left. Not sure of exact cfm, ill find out today. This is a active exhaust, passive intake. There is a 6in hole on the bottom right side. This is where it sucks in nice cool, fresh outside air. Covered with a filter :) And the third pic is the filter on the outside of the building. Buy doing this not only am i clearing all the air every so often, the air in the rooms is changed constantly. This fan is sucking in fresh air non stop and pulling out the hot, stale, stinky air non stop. Works like a charm! What doyou guys think of this?
 

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dankie

Well-Known Member
OK light has a gasket on the glass, but when i changed my setup to pull through the scrubber my ambient temperature shot up 10 degrees from 80's to 90's. Switched it back and temps dropped again. Any ideas?
 

F4t4LShot

Well-Known Member
Not sure, but you definately need to drop it about 15 degrees. It needs to be in the s70's. Not really sure how you have it set up. Did you see how im doing mine. Can you make that work for you? I find it works perfect for me.
 

dankie

Well-Known Member
Not sure, but you definately need to drop it about 15 degrees. It needs to be in the s70's. Not really sure how you have it set up. Did you see how im doing mine. Can you make that work for you? I find it works perfect for me.
I have a 600 watt HPS I havent ever seen anything lower than 79 and the 80's have been fine previously.
 

F4t4LShot

Well-Known Member
You may want to get some fans to put in the room or something to drop the temp just a few more degrees. You're right, the low to mid 80s are good to grow in as long as it gets cooler at night. My little cfl grow im doing for fun stays in the low 80s mostly. All im quoting is the perfect temp is in the low-mid 70s.
 

F4t4LShot

Well-Known Member
yes, the 80s may be "fine" but dont you want "better". All im saying is it wont hurt if you can get that temp down a little bit. You're right, it works now. But it probably can work better. Thats all im tyring to tell ya bro.
 
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