Ok, let's hear it!

[Madreefer]

Originally Posted by mrhasan

Heat sinks are meant to be hot. They taken the heat from the LEDs and dissipate them to the air but not at a rate which makes it run cool (heatsinks have a maximum heat capacity and stays below that or else the heat sink is not the right one for the system). Don't know why yours run cool Probably you are using oversized heat sink?

No just what my fixtures come with.
I've had or still own: Sol Blues, Sol Hydras, Zetlight and Ecoexotic Panorama Pros.
I know how heat sinks work so no explanation needed. Speaking from actual experience rather than something i've read.