Currently my photoperiod is 7h of 2x24w T5HO, from 12:00 to 19:00. Light is raised about 40cm from water surface and aquarium is 60x60x45cm (length, depth, height). CO2 starts at 10:00, goes off at 18:45.
The room is quite bright - the windows are facing the south. Aquarium gets few hours of...