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For now I spend enough money just with the cobs and tools! But I will indeed (after some time) upgrade them to cover a large surface more efficient.

Ok guys,project complete!! Here's my 6 72V 3590 3500K at 800mA !!

Sorry dude, can't help with this, I bought mines at Alibaba. I did finish mine, and it works !!!! And that's what it looks like once finished!!!

Remember also that you can use the drivers, fans, chassis, and most likely also the connections. Is plug and play. Look for growmaus5 at youtube

Thanks again for your answer sir! Any technical data that reassure my decision is very welcome. Have a good smoke!

Hi Sir! Thanks for the answer, but it won't be too much for my box? 0.7m x 0.8m 2m high I am almost convinced to go for 6 cbx3590 72V 3500K with holders and glass lens 80 at 700mA Thanks for the info regardless! All in the door for 220 british pounds, not bad no?

Hi sir. I open mine and tested myself. Mars 2 900W 5w chips. 9 drivers inside: Voltage max 112v. Amperage max 0.71Amp 4 fans with labels 12V 0.3 amp, but tested and work at 0.2amp. The drivers are 110v 0.7amp capable, so 4 12v fans (12x4=48v) is perfectly possible. I just saw your...

Yes, you can mix it! I am also converting mine and will probably use Citizen CLU048-1212 , they are cheaper (if you found them) than Cree's. If not can also look for CLU048-1812 (if your driver is like mine 50v-112v)

I saw conversions from a few different models, but none for the marsII 900W 5w chips. Growmau5 (youtuber) was the one that inspire me. I am in the UK, and the idea it was to do it asap, as I need the light back on place. That's mainly why I am looking at Europe sellers (for the fast...

Yes, I did! There is not much information out there regarding the interior of those lights... But I did found a few, and they mount different ones deppending on the age and power of the model. The drivers are naked!!! no info what so ever, that's why I had to test myself with the multimeter...

So... in the case of the Citizen will you go just 1 cob x driver? as the 1812 require 52v. and mine are ruffly 110v? don't you want to keep a safe 10% tollerance? specially with this dodgy drivers? I am affraid if I plug 2 1812 in a single driver won't light up! I am not an expert, just...

Hi sir! Very well explain, and that is what I was looking for! My grow it is just for a personal use and my main concern is an even spread light through all my canopy and good penetration. Drivers are crap, probably 65% efficient but for now I will keep it,I can allways replace it later on...

The drivers are generic, they are inside a black plastic box and don't have any specs or labels on it, I tested myself and the results are 112V and 0.7 amp. I recon theya are 50V-110V 0.71Amp drivers. Vero 29 is one of my options ,yes!

Thanks man! looks interesting,but would those strips be powerfull enough to cover and penetrate all my growing space? Is a 0.7m x0.8m around 2m high.

Thanks for your answer! I didn't know of those strips, I will also take a look at them, but it seems a really good option! I will see If I found them in Europe. If so witch ones go for? the 3000K is it just cri70 ?no cri 80 or 90? Also it did not come with switches but I was planning to add or...

Hi! Thanks for the fast answer amigo! Well... I am not sure about the drivers as they are generic ones inside a plastic box without any specifications or labels. I did test for voltage and Amperage with my multimeter to most of the drivers and all seem to have the same voltage values,the...

Hello guys, I am converting a mars II 900w (5W epistar chips) after a lot of headaches with it, and I am not sure what to go for. The specs are: Mars 2 900W 5w chips. 9 drivers inside: Voltage max 112v. Amperage max 0.71Amp also 4 fans at 12V 0.2 amp My growing space is 0.7m wide x 0.8m deep x...

Buy a Mars II is a big mistake and will end you spending more money! My experience with Mars II 900W (5W Epistar chips) After a lot of research I decided to get the marshydro mars II 900W, as I though it was the best quality price product out there, and despite my little space (0.7m X 0.8m)...

Hello guys, I am converting a mars II 900w (5W epistar chips) after a lot of headaches with it, and I am not sure what to go for. The specs are: Mars 2 900W 5w chips. 9 drivers inside: Voltage max 112v. Amperage max 0.71Amp also 4 fans at 12V 0.3 amp My growing space is 0.7m wide x 0.8m deep x...

Hello guys, I am converting a mars II 900w (5W epistar chips) after a lot of headaches with it, and I am not sure what to go for. The specs are: Mars 2 900W 5w chips. 9 drivers inside: Voltage max 112v. Amperage max 0.71Amp also 4 fans at 12V 0.3 amp My growing space is 0.7m wide x 0.8m deep x...