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Bulbs Have Vastly Different Color Temperatures Many people are familiar with "cool" white or "warm" white incandescent light bulbs. These bulbs have vastly different color temperatures. Warm White The "warm" white light bulb often has a color temperature of up to 2800K. It imparts a more...

its kinda hard to get Metal halides around my place and even if u get it its very expensive.. in an electrical store i found a ballast , its white and looks like a small transformer like the one inside a pc power supply.. is it possible i can buy this thing and get someone to wire it to an...

it says promotes flowering and fruiting http://www.yates.com.au/products/organic-gardening/fertiliser/natures-way-fish-emulsion-concentrate/ (NPK analysis: 9 : 2 : 6) anyone has suggestions or experiences with this?...m thinking of using this for flowering time..

is it possible to use a 400W metal halide ballast to light up high pressure sodium bulb..they will surely have a different bulb fitting or holder but can i use the same ballast to light up my MH for vegetative stage and when time come for flowering i use the same ballast to plug into hps fitting...

hello my friends, m from the middle of the pacific ocean ..somehow marijuana has found its way in my country long ago and this year it got me interested to grow it. a lot of things we dont get here like rockwool and the stones to put in the pot..fortunately we have hps and metal halides here...