Just to illustrate the voltage drop results.
I knew it would happen to some extend.
The setup is 24v led strips, 5m in each role, the intended color was blue, and you can see how it slowly turns green on the middle of 2nd roll.
At 30-40% brightness all 3 rolls are blue.
I wonder if I run power supply wire to the 3rd roll if that would help voltage drop assuming I would need to run wire for the same length i.e. 10m? 