are my lights on to long

[donkey77]

ok my tank has been running for a year I've been battling brown hair algae, then i got all these little air bubbles all over my rocks, my param are all in check, i use ro water with new filters, i think its coming from my sand so ive been taking it out with my weekly water changes, so i started to think maybe its my lights, is this to much light in a day, anyways the battle goes on
i use a AI sol blue my times are
RB on at 8 am 1 hour ramp to 75%
B on at 9 am 1 hour ramp to 75%
W on at 10 am 1 hour ramp to 60%


W off at 7pm 1 hour ramp down to 0
B off at 8pm 1 hour ramp down to 0
RB off a 9pm 30 min ramp down to 0