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Anyone experience with Nichia cobs? According to they the series 30 puts out 127 lm/W @1150 mA and 40.3 V http://www.leds.de/en/High-Power-LEDs/Nichia-High-Power-LEDs/Nichia-Chip-on-Board-Modul-Serie-130-warm-white.html They're also cheaper than the Cree 3070

That's a rather easy design to copy:lol: But their 220-309 euro panels don't seem expensive at all. Best bin on those 3070s. If you want to diy their most expensive panel Buying these cobs yourself would prob cost 110 euros or so. 65 euros for the driver I think. 20 euro heatsink. 10 euro for...

You can't really go wrong with hps since it's old and proven technology. The crees aren't compatible with the driver from that "high power led + heatsink driver combo" The led driver puts out 3A and the max amp a 3070 takes is 2.8A or you risk end up frying it. The 3590 isn't compatible with it...

Ignorance seems to be good biz. Twilight Leds is a paid sponsor there, while these guys got destroyed here.

Guys at 420 told me the 300Watt Old Model Marshydro was good for my 2x2 foot growtent. Then I found out too late that the people with knowledge are here. Not that I wasted much money, and 150 watts is enough for now but I will go diy Cree/Vero the moment it shows signs of deterioration. The...