Hi all! I've been reading posts here for help with my tanks for a while now and just decided to make an account so I can ask questions
I have a 30g with 6 tiger barbs, 2 platys, and a few neons which has been established now for about 9 months and doing well. I also have a 20g with 4 ruby barbs, 3 golden danios, and 1 small golden algae eater which has been established now for about 7 weeks and doing well. I am a beginner so please excuse this question if it seems simple, but I read that turning the tank light off at night is beneficial. I have been doing this with the 20g tank but I am afraid to start doing it with the 30g because I don't want to disturb what the fish have been used to for 9 months. Will it disrupt the fish at all or stress them enough to harm them if I begin turning off the light at night?
Thanks in advance