Leds on chaeto Reactor getting hot

[Bustyraker]

I build a chaeto Reactor today and I'm using the led strips for lighting. It's been running for about 5-6 hours now and the lights are getting pretty warm. Has anyone else noticed this? They are only warm at the beginning near the power plug and get cooler the farther you go away from it.

 

[Cory]

I domt know why that might be, but if they leds dont have an aluminum heat sink for each led, itll get hot and last maybe 2-5 years instead of 10-20

 

[Berlibee]

I've just setup a reactor as well and it's weird like half of the led strip getting hot as well, so the part that is closer to the outlet ... the other end staying cool.