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There's also http://www.viparled.co.uk/ that seems awfully similar to the rest.

To be fair to Sara, the GalaxyHydro does have a few differences. For one it has an one/off switch and you can dim it.

The Decor series/high CRI Crees have a very sexy light spectrum output. Very high in the red and also a nice peak at blue.

Microgrowers will love those tomatoes. Action now

I like Realstyles his stuff, his diy growlights use the same chips featured in the lights from OpticGrowlights The 3070 and 3590, the Vero 29 is almost efficient as the Cree chips. Basically any grow journal featuring Vero 29 / and 3070/3590 chips is applicable to the Optic growlights since...

lol, their growlight has more rivets than a b-17 bomber

opticgrowlights and advancedledlights. Platinum is a cheap knockoff of Advancedled their diamond series. (with less quality)

Cree 3070/3590 and Vero 29 are most popular here. They're full spectrum cobs that can take quite a high current.(no different bands needed anymore) Checkout Realstyles his thread for reference https://www.rollitup.org/t/realstyles-6th-diy-cxa-3590-5000k-db-bin.864284/ Though he made a 400Watt...

Thanks man

Is there a site like http://heatsinkusa.com/ for Europeans? Or something that doesn't have such high shipping costs for a Dutchman?

Overpriced shit.

Best moment from Copa America:

Otherwise you should really go with HPS especially if your grow area is 1x1 meter because a 300 watt marshydro (actually 150) is not strong enough for 9+square foot. A 600 watt HPS is (a lot) cheaper than a LED of equal wattage.

Datesheet of the 500 watt shows 40000 luminous flux @15A and 25 degrees celcius. It's cfl tier lighting

If they use the same current and you have spare volt left then it should work

It's not that Mars is that bad, it's that it's more expensive than Vipar despite having no difference in quality most likely. And for the expense of Mars, I've learned that I can DIY my own cobs with better efficiency.

Anyone bought from leds.de before? http://www.leds.de/en/High-Power-LEDs/Cree-High-Power-LEDs/Cree-CXA3070-warmwhite.html It's not a great bin but I only need 1 right now and the delivery costs are cheaper than Mouser.

Short answer: "no" Long answer: It will work but it isn't worth 1000-1300 dollars a piece. If you're considering dropping $2K then you should be considering how to do DIY Cree/Vero growlights. There are a lot of tutorials on this subforum to help you out. Also a major bad sign is that NextLight...

Blackdog is like 3 dollars per "true watt". Probably cheap quality LEDs too with questionable lifespan. http://www.todogrowled.es/productos/tgl-cxa/ 200 Watt Cree 3070 (AB bin) for close to 1.5 euro per Watt. (1.7 dollar per Watt I guess) (DIY will get you close to 1 euro/dollar per watt) It's...