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As far as electricity goes, just put a Kill-a-watt monitor on it and see how much you are drawing X 12 hours (run time per day) X # of days per month / 1000 to get your KW/hours. You can look at your power bill for rates and figure out the cost. No need to guess on the electricity usage....

The P600 draws 345 watts. Of that, probably only 300 is actual LED usage. Efficiency is most likely 25%, maybe 30% if they are really being driven @ 50%. Not sure how many watts you are putting across your CXAs, but I can pretty much guarantee they will out-produce in both quality and...

Go with the 10" profile. You can save a few bucks and scale it down to 24" if you wanted and still be OK on passive. 32"x10" will be fine though. Or grab 2 16x10 if you want a bit more customization of the light placement.

Re-do your post with pics of your current grow that is going to utilize these lights and keep updates. That is a review. Sounds like you received a free light and you are pushing it. Lets see some ongoing results. Do you have pics of the plants its going over?

For about $275, you can build a CXB3070 CD bin setup that will produce about 96 PAR Watts. Consider loss and you will be sitting high 80s which means you will be running a bit over 19 PAR Watts per Sq. Ft. More than enough for your setup. Pickup a Meanwell HLG185-1400b, 4x CXB3070 CD, a...

Its legit, but its super slow shipping and COULD take longer than he states. Jerry has CXB3070 for $32.50 and shipping via super slow method would be cheaper than whats being sold through that link. Plus, Jerry is very reputable. **Nevermind

Found a supply of Meanwells..... Now I know why we cannot get the new 240's :)

HPS setup w/ a good quality Hortilux bulb is better and more efficient than MarsHydro garbage LED. We arent all pushing everyone to go COB, but sure as hell shouldnt buy shitty non-efficient LEDs.

Just get a 400w HPS and be happy. It will probably last longer and produce better. DIY COB is super easy but if you dont think you can, there are companies selling good fixtures at decent prices. That MarsHydro600 (its not 600w, they call it the 600 because they THINK it can out perform 600w...

I was banned for posting my Homemade COB light and suggesting that people should build their own rather than buy MarsHydro and Platinum LED. Was not promoting products, just suggesting people try DIY COB lighting as its far more efficient, cost effective, and about the best production available...

420mag is a joke of a website. Many of us have been banned for promoting COB lighting rather than MarsHydro. MarsHydro makes garbage lights. Look at Supras post above. He speaks the truth. On that panel that draws 278w, you might be lucky to receive 45 PAR Watts to your canopy. They are no...

Alot of us used T5 fixtures for vegging in the past and for years. They usually run about 6000k. I do not see how 6500k is bad for veg. Better results than 5000k? Tough to say. I mean, how long are you really vegging for? I know I do not veg all that long. I could see higher quality and a...

1 - HLG-185-C1400b LED driver 4 - CXB3590 CD 5000k COBS heatsink from HeatsinkUSA or CPU coolers wire, thermal paste, screws/bolts That will give you 200w @ 56% efficiency and dimmable. That is plenty for clones/vegging in a 3x3 area.

If there was 100g of wet, you will be lucky to have 25g dry. And it is important. You are paying for 223w of energy every hour but only yielding .1 gpw.

A lot of us are using "white light". Even if you had about 4 ounces, thats still terrible efficiency for a grow. I know you didnt hit 4 ounces.

How much did you yield? Cant be more than about 2 ounces dry depending upon density of the nugs. You can grow with damn near any light. Whether its smart or economical is another question. You use 228w of power but if you only yield 100oz, its less efficient than HPS. I do not think you...

What do you mean check it? The invoice he sent me showed about $41 in merchandise. If they look at it, it looks legit.

On the packing slip, Jerry put down very small charges for me. I bought $850US worth of stuff and he "charged" me $41.

Get ahold of Jerry @ KingBrite. He is in China but will ship just about anywhere. He has been shipping to many of us around the world. [email protected] He can provide you with Cree/Vero COBS and Meanwell HLG drivers as well as holders and lenses.

Yeah, more power to you man. It looks like your product is made from quality components. I just hate transparency when selling products. We have all bitched about it with many LED companies. I know that DIY is always cheaper, no matter, but I would love a COB light that comes in at a...