I just found some white paint in the basement and wanted to know it is right. It says its water based

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No you need "FLAT" based Paint! That is a primer difference in mixture and reflectiveness. FLAT paint is best for painting walls for a better reflection rate.

Thanks Bro was about to paint my grow room

go buy a dozen emergency blankets at walmart.. probably a buck a piece and pretty large. they are in the camping section with the junky hatchets, emergency whistles, etc.


i bet its cheaper, easier, and reflects more light.





**not an expert**

No problem, Hope everything goes good for ya.. I can buy a gallon of white flat paint for about 15 bucks at home depot..

Flat white paint is used best for diffusion of light with high intensity lighting.

Smooth metal(aluminum, mainly) is used for high-efficiency (not diffused) reflection. Dimples/texturing are added for diffusion.

CFLs don't require diffusion. HIDs lamps can.

Reflectors are one issue(within inches of the light, high reflectance). Light intensity is inversely proportional to distance. It doesn't really matter when your reflector is outside the amount of *lux* or *ft candles* useful for plants(even those these are somewhat inadequate quantifiers). Basically, you're reflecting light the plants are 'ignoring'/not receiving enough of to do anything useful with.

So your saying i dont need a reflector with CFLS?

think what he's saying is that a reflector next to the light is far more effective than making your grow room walls reflective.

you could put a coat of that primer on before you paint with the flat white paint if needed. it will help your paint get a better coverage.

a reflector is a good idea and will help use all available light, but depending on your grow op and number of cfl's its up to you.

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how to use an industrial low bay light fixture
http://www.rollitup.org/do-yourself/...l-low-bay.html

OOO VERY NICE. i am using y spiltter and a surge protector so not much space for a reflect on the lights... u think an aluminum Tray/turkey pan would be a good idea?