Hi Keigo,
I am running my T5 for 5 months now, I run 5 Corallight T5 for 7 hrs/day, and 2 AB oceanblue T5 9 hrs/day, the blue light goes on and off 1 hours before and after the Corallight. I am getting the new KZ T5 LED system soon, and I will be using the dimmer function with the new light, I...