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nice setup! to cut noise,have you considered getting rid of the intake fans & going passive?

just use a passive intake

you found the answer to your problem. how hot is the room that holds the tent? you are just recirculating the heat.it needs to be vented outside or to another room. and as stated already,use the bigger fan to exhaust or a passive intake. if getting rid of the hot air in the room doesn't solve...

at 18? yeah right. spoken like a child! did I strike a nerve? you want to be respected? earn it! that starts w/ respecting others. if grandma is supporting your ass, you should respect her wishes or man up & get your own place! I dont care if its weed or whatever, her house,her rules! only a...

8 bulbs or 8 fixtures containing 16 bulbs? t5,t8 or t12 ? either way, I would put them all at 1 end and space the HPS lights toward the other end but 16 bulbs will draw over 500 watts so if you have the juice to power them,a 400 or 600 could be added as well. many swear that a MH added to HPS...

& yellow paint is also 70% flat white paint is 85% reflective. emergency blankets are mylar & are a buck or 2 if cost is that important why use foil?

all the above are correct. it is designed to work w/ a digital ballast at a higher frequency than a mag ballast puts out so it wont give full lumens or spectrum. it may "pop" after extended use but my guess is that is rare & would only happen after a few hundred hours but even a few days of use...

light wont bend but does reflect so a couple duct elbows paints black on the inside will do what you need

foil sucks - use flat white paint or mylar.

maybe you should man up & get your own place instead of risking grandma's house. only a child or weasel would shit on someone like that! hopefully someday you will have children that shit all over you like you are doing to your grandma.

with an attitude like this,why would anyone help you?

Not a HVAC guy so I don't know your answer but I do know you have to be careful when using your chimney.when you start forcing air into the chimney w/ fans,you could cause air to flow out all the open ends of the chimney,not just out the top. you need to be sure the air doesn't force it's way...

I assume you are talking about a hot water heater timer,if so you could put more than 1 light on a timer. Electrically, it is better to have the lights kick on a few minutes apart because when a ballast 1st fires, it will draw 2-3 times more amps than it is listed at for a few miliseconds. -your...

light wont bend around corners,a small box w/ a couple bends will stop it from escaping. it does reflect so make the inside black

that may be true in Europe but in the US, they need a search warrant & besides, the heat coming from a personal grow won't be extreme enough to show.

if you get your air from outside the tent for your cooltube & your ducting is mostly leakfree, you wont need a scrubber for it. & I have run a 400 cooled by 2 pc fans so unless your intake air is extremely hot, you should be fine

for a 4x2 area,a 400 watt will be plenty or even a 250 w/ a light mover. a cooltube will make cooling the area a lot easier but it can be done w/out. if you run fresh air into the tube from outside and vent it outside so you dont need to filter the air for the light, 2 pc fans will work on a...

how about this http://www.lowes.com/pd_15358-46086-451156_0__?productId=3365576&Ntt=insulation+board&pl=1&currentURL=%2Fpl__0__s%3FNtt%3Dinsulation%2Bboard&facetInfo= my local lowes carries it w/out any writing on the foil side.it looks like mylar & looks reflective as hell but not sure if it is...

you will get much better airflow if you use both fans to vent & a passive vent at the bottom. or use 1 fan to cool the closet & 1 to cool a HPS. you could almost triple your light output for not much more than you plan to spend on t5s

fans work better when they pull air instead of pushing, try putting your fan at the end to suck air out