Hey everyone, just looking for advice and feedback on my grow room.

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scmr420

Member
question. im really trying to understand passive intake, when in my current setup i have a fan on the intake that i turn on and off to draw ac air in really fast if the room gets to hot. I try to keep it off most of the time but i dont feel a good suction without the fan.

On my next setup i want to get it right, so i want to build a light tight passive intake, i want to do the rat trap method where you put a devider in between to sections to give it a down up down airflow. I may be explaining this wrong but...

I will have a 440 cfm fan on closed loop for lights and either my 2 can fans or another 440 cfm inline fan connected to scrubber and right out the exhaust. How big of an intake do i need to build to give it negative pressure and not strain the fans. Seeing that everyone looks at my thread but few respond im guessing im asking you wheels.
 
wheels619

wheels619

Well-Known Member
scmr420 said:
question. im really trying to understand passive intake, when in my current setup i have a fan on the intake that i turn on and off to draw ac air in really fast if the room gets to hot. I try to keep it off most of the time but i dont feel a good suction without the fan.

On my next setup i want to get it right, so i want to build a light tight passive intake, i want to do the rat trap method where you put a devider in between to sections to give it a down up down airflow. I may be explaining this wrong but...

I will have a 440 cfm fan on closed loop for lights and either my 2 can fans or another 440 cfm inline fan connected to scrubber and right out the exhaust. How big of an intake do i need to build to give it negative pressure and not strain the fans. Seeing that everyone looks at my thread but few respond im guessing im asking you wheels.
Click to expand...
im kinda on my way out the door. but ill give you a quick reply just to give you the down low as they say in the hood. lol.

as far as the light trap. yes thats how you would do it. but if you have your intake hooked up to a fan and ducting is in between i really wouldnt worry about the light trap. the ducting should be light tight enough.

so the question i have for you is this. do you plan on getting rid of the booster fans and getting bigger more reliable ones? or are you trying to save money? either way is fully understandable. intake should be ruffly 1/2 to 3/4 the cfms of your exhaust fan. so a good 4 inch 185-200cfm will work or a 6 inch 440 cfm with a controller set to about a little more than half should do it if your exhaust is hooked up to a 440 cfm 6 inch with the right filter.
 
S

scmr420

Member
probably going to try the can fans first, but in the long run i want to get another 440 inline fan with controller.

to do passive intake i will not longer have a fan or ducting so i will have to build a light trap?
Cost isnt an issue as long as i end up with a desired result.
 
wheels619

wheels619

Well-Known Member
Twiggs1620 said:
kinda. but all good. you should start a grow journal
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yeah. you should actually. keep this one open for the questions and concerns but make one for your pics and good follies. that way you dont have a lot of run a muck going on with the setup stuff. that way you have the grow journal and setup journal separated.
 
S

scmr420

Member
ya i will be adding some pics to my journal of the girls that are flowering, just planted one seed from attitude. Auto cheese candy.
should be rapping up this grow right before the 110 heat index gets here...

Question is it better to have a window unit directly in the flowering room or should i have it outside the flowering room with passive intake sucking it in.
looking into a new window unit because of the light leaks the one i have has.
But if im going to continue to have it outside the flowering area im not going to worry about a new yet.

Also i have been ready alot about power consumption with a 10k btu vs a 15k btu and cant get a single straight answer.
will a 15k btu not have to work as hard to cool 1400 watts do in turn end up costing about the same but being more efficient?

i have ruled out a portable ac because of all the reviews about how many issues with smell leaks, and not being efficient

im setting out specs for the new grow area it will be in progress in about a month
going to get another 440 inline fan for the carbon filter with speed controller and timers that will allow me to set them to exhaust for 5 mins every 10 mins. Will i need a really expensive controller or can i find something at home depot or lowes to meet those needs.
i know the timers i use for lights arent accurate enough to use for exhaust.

Ideally i want to set this next room up for year round grows. During the summer i want the ac to do the work. Keeping the ac on all the time right now and power bills are low 200 for the whole house plus grow.
but when winter rolls threw i want to have the setup ready to use outside air to cool the room without the use of the ac.
i must have read 1000+ threads in the last couple months and iv been peacing it together but i cant seem to find any solid ideas for this kinda grow. i mean I want to get the ducting set up for winter and just cap everything until winter\fall\spring...
 
wheels619

wheels619

Well-Known Member
scmr420 said:
ya i will be adding some pics to my journal of the girls that are flowering, just planted one seed from attitude. Auto cheese candy.
should be rapping up this grow right before the 110 heat index gets here...

Question is it better to have a window unit directly in the flowering room or should i have it outside the flowering room with passive intake sucking it in.
looking into a new window unit because of the light leaks the one i have has.
But if im going to continue to have it outside the flowering area im not going to worry about a new yet.

Also i have been ready alot about power consumption with a 10k btu vs a 15k btu and cant get a single straight answer.
will a 15k btu not have to work as hard to cool 1400 watts do in turn end up costing about the same but being more efficient?

i have ruled out a portable ac because of all the reviews about how many issues with smell leaks, and not being efficient

im setting out specs for the new grow area it will be in progress in about a month
going to get another 440 inline fan for the carbon filter with speed controller and timers that will allow me to set them to exhaust for 5 mins every 10 mins. Will i need a really expensive controller or can i find something at home depot or lowes to meet those needs.
i know the timers i use for lights arent accurate enough to use for exhaust.

Ideally i want to set this next room up for year round grows. During the summer i want the ac to do the work. Keeping the ac on all the time right now and power bills are low 200 for the whole house plus grow.
but when winter rolls threw i want to have the setup ready to use outside air to cool the room without the use of the ac.
i must have read 1000+ threads in the last couple months and iv been peacing it together but i cant seem to find any solid ideas for this kinda grow. i mean I want to get the ducting set up for winter and just cap everything until winter\fall\spring...
Click to expand...
ok so yes the bigger acs use more power when the compressors are on but cool the room much faster. normally costing about the same a month possibly a little more. also they will last longer. the smaller ac that runs a lot more has a lot more wear and tear on it in my opinion.

also the beauty of the closed loop lighting is that in winter all you have to do is reconfigure some ducting and thats about it to switch back to complete passive. in other words no ac.

and yes portable sucks in may ways but u have to remember. its portable so you gain mobility.

fan controllers run about 23 bucks on ebay. pretty decent actually. i have 2 myself.
http://www.ebay.com/itm/Variable-Fan-Speed-Controller-Inline-Fan-Hydroponic-Speedster-Control-M034-/271162933570?pt=LH_DefaultDomain_0&hash=item3f22920142
this is what i use.
 
S

scmr420

Member
ok when i get the area cleared out, carpets pulled up and what not. ill Get pictures and diagrams together so that i can get help with the layout of holes.

as for the speed controllers that just adjust the speed, im looking into the thermostat kinda that kick fans on when temps rise or drop.

ok going to get a 15000btu but still is it better to have directly in the flowering room or, to have it outside the area and to cool a area that you draw from passively?
 
S

scmr420

Member
So today i came to question what is a hermy because i have never experienced one...
Pictures of the bud sites and over all leaf structure tells me its stressed?
Been feeding low to no nutrients most of this grow cause they are just random seeds i experimented with.
always under recommended feeding chart.
I plucked a smaller bud at the bottom and squeezed it and it came apart like it was seeds but they are really soft and have a liquid in them
I just need to know if its a flop?

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wheels619

wheels619

Well-Known Member
scmr420 said:
So today i came to question what is a hermy because i have never experienced one...
Pictures of the bud sites and over all leaf structure tells me its stressed?
Been feeding low to no nutrients most of this grow cause they are just random seeds i experimented with.
always under recommended feeding chart.
I plucked a smaller bud at the bottom and squeezed it and it came apart like it was seeds but they are really soft and have a liquid in them
I just need to know if its a flop?

View attachment 2638507View attachment 2638509View attachment 2638511View attachment 2638512View attachment 2638515View attachment 2638517View attachment 2638518View attachment 2638519View attachment 2638520View attachment 2638522View attachment 2638524View attachment 2638525
Click to expand...
in all honesty even if they hermie a little it should be fine. i would still smoke it. just next time dont use bag seed and get some good genetics from a reputable site if at all possible. also just becuz it has a seed or two doesnt mean it was stressed. bag seed comes from a sack of weed that pollonated itself from a little hermie. since it was bag seed im guessing it just carried its hermie traits like its mom. bag seed just does it sometimes. if it was stress related it would cover most of the plant. also towards the end of flower the calexes that hold the pistils will swell to put on more bulk. generally starts happening the last week or two. so if no seeds are actually in the calix your fine. remember. smoke that shit anyways.

also on a side not the blureberry gum i grow always nanners in one or two spots and i get a few premie seeds but not much more.
 
wheels619

wheels619

Well-Known Member
scmr420 said:
So today i came to question what is a hermy because i have never experienced one...
Pictures of the bud sites and over all leaf structure tells me its stressed?
Been feeding low to no nutrients most of this grow cause they are just random seeds i experimented with.
always under recommended feeding chart.
I plucked a smaller bud at the bottom and squeezed it and it came apart like it was seeds but they are really soft and have a liquid in them
I just need to know if its a flop?

View attachment 2638507View attachment 2638509View attachment 2638511View attachment 2638512View attachment 2638515View attachment 2638517View attachment 2638518View attachment 2638519View attachment 2638520View attachment 2638522View attachment 2638524View attachment 2638525
Click to expand...
in all honesty even if they hermie a little it should be fine. i would still smoke it. just next time dont use bag seed and get some good genetics from a reputable site if at all possible. also just becuz it has a seed or two doesnt mean it was stressed. bag seed comes from a sack of weed that pollonated itself from a little hermie. since it was bag seed im guessing it just carried its hermie traits like its mom. bag seed just does it sometimes. if it was stress related it would cover most of the plant. also towards the end of flower the calexes that hold the pistils will swell to put on more bulk. generally starts happening the last week or two. so if no seeds are actually in the calix your fine. remember. smoke that shit anyways.

also on a side not the blureberry gum i grow always nanners in one or two spots and i get a few premie seeds but not much more.
 
S

scmr420

Member
ok thanks for the advice. I did get some good strains for next grow. im at week 6 day 3 of flowering so a couple more weeks and ill start rethinking the grow room
 
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