This are a low budget DIY LED (Silver canister = passive heatsink)
Chip Bought in China
1 Chip has 5 channel of 20 Watt. Each Channel can be controled individually by a Reef computer. I use the GHl Profilux 3.1ex N.
I will use 10 Units LED Lamps so I will have 1 Kilo Energy consumption. Because...