Any Help Appreciated

[deleafer2220]

Day 2 since seed has been planted. Still no signs of life but my DIY growbox is coming together slowly but surely. Made a check list of items i think i need.
1.Therm/Hydrometer 2.pH test and Up or Down 3. 2 CPU fans both for intake (will use holes for exhaust)(plus 12v power) 4.Molasses(and various other nutes) 5. MORE LIGHTS ! any other things you think would help would be appreciated

Will post pics at sign of life

P.S. if this one is successful at all i plan on doing the rubbermaid idea for next grow

[headshake]

maybe some flat white spray paint, depending on where/how your cab is set up.

also, you want to use the fans for exhaust. if they are rated for the same CFM then you can use one for intake and one for exhaust. you want to use the fans to pull hot, o2 filled, stale air out and to create a negative pressure in the cab to pull fresh, cool, co2 filled air into the cab.


-shake

[deleafer2220]

Headshake thanks for the quick response. the inside of the box is pretty much all aluminum foil. And with the CPU fans i have a question on where to place them... i have heard some people say exhaust top since heat rises. but then ive read posts with exhaust towards the bottom and forcing colder air through top for cooling lights. But since i will be using CFL's and theres not much heat ...would i be better putting exhaust at top and intake lower ?

[headshake]

ditch the aluminum foil! it can cause hot spots. hence the flat white.

as far as the fans, exhaust goes up top. if hot air rises, then cool air must fall. and if the fans are exhausting air out of the top, in turn creating a neagative pressure in our box, then that negative pressure must be filled. so cool air is pulled in via our inakes.

if we exhausted out the bottom then the air coming in the top wouldn't be as cool as air lower to the bottom of the box. not to mention, this way would be pulling your lights hot air over the plants and then out the bottom.

also, depending on the size of your box and how many CFL you are using you will get pretty hot temps. i've read that CFLs actually run hotter than HID, it's just that the heat is dissepated from many more sources.

good growing!


-shake

[deleafer2220]

Thanks again Headshake. Aluminum foil will be replaced with a flat white asap lol. Can you tell me why gloss white will not work instead ? Always wondered never found out. and the intake and exhaust makes sense thanks for the tip muchly appreciated.
Thanks for the Help Stay Up :smokin:

P.S. went ahead and germinated 2 more seeds one of which is a pre seed i doubt will even sprout.. gotta love daily bagseed

[deleafer2220]

Also with the Flat White ..i see alot of people using the reflective duct tape. Would this be sufficient or not ?
Thanks Again Stay Up:jointsmile:

[headshake]

i'm not sure about the duct tape. never seen it. but you could use it to tape together flat white poster board or something.

the flat white scatters the light (and heat radiation) while the gloss doesn't. (no hotspots.)


-shake

[deleafer2220]

By white poster board are you talkin about any ol' poster board or the kind like you see with science projects lol.
Yet again Headshake to my rescue Stay Up :bonghit:

[headshake]

yes. you can even find it with styrofoam in the middle for rigidity.


-shake

[deleafer2220]

Do you think the styrofoam one would work as a grow box instead of the Cardboard ? as in not as fire friendly ?