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Mr flux Those drivers do seem a good price and they should run 4 vero 10 at 350ma so I can up the size of the panel to make a more even spread. how does this layout look: x-x-x-x-x -x-x-x-x- x-x-X-x-x -x-x-x-x- x-x-x-x-x (x= 1x v10, -= case, X= 2x v10) i would use 6 of those drivers...

Hi eraserhead no sorry I haven't had an area 51 panel. it is one I am considering and im sure it is very good. It is in my top 3 choices at the moment but due to being in the uk and with the current exchange rates it would cost me around £340 and if it gets stopped at customs 10% import duty +...

Hi everyone thanks for all the replys. As soon as advanced tech lighting gets back to me about shipping rates I will order a cmh retro bulb as its got to be worth a try at $36 so about £50 inc shipping to the uk. I do believe I can build a diy led panel capable of competing with some of the...

Hi chazbolin. The only reason I am thinking of changing from the hps is to see if anythings better. I like to tinker with things and get a bit obsessive over things and now that I have everything in place, I have decided to occupy myself with upgrading my lighting. I wont just change for the...

Hi again everyone, After more research I think I have decided to definitely get a couple of the cmh retro bulbs to use on my hps ballast as I dont think the 315w will offer much benefit over retro except the 100w electricity saving. I am fairly sure 2 hans would struggle in 1m2 and I think...

Hi everyone. I have decided I want to upgrade my light from 400w hps but cant decide what would give the best results for my cash. My tent is 1m x 1m and 2m high. I have considered the below but dont know which to choose so would like opinions on which people would consider the best bang for...

I have reread the thread again and think I understand the cmh bulbs abit better now. My understanding is that the retro came out first to be used on a hps ballast and they replaced that with the allstart which is to be used on a mh ballast. The allstart is slightly more efficient than the retro...

I think I have just realised the retro white 400w (is it 400w or 330w?) runs on a hps magnetic ballast and the 330w allstart runs on a mh ballast. If so that rules out the allstart for me as I believe my maxibright mag ballast is just a hps one. So my question is if the 400w retro white 4k...

I have been thinking of trying a cmh but im a little unsure which would be best. I currently have a 400w hps (magnetic ballast) so if im correct I can run either a 330w allstart or 400w cmh retro white with my ballast. which of the above philips bulbs would be the best or are they just...

Many thanks for all the help and advice. I will have a good look into the power supplies but being in the uk always makes everything more expensive, by the time ive added shipping and import duties most of the prices are doubled. Good luck, I will be following along closely. Thanks andy.

Hi picograv thanks for taking the time to document your results in this thread. I have read your thread all the way through and another one where someone is using 2 cree chips. The results are encouraging me to think about building myself a light with 2 vero 29 but would like to ask a couple of...