I have a 4' LED shop light from Walmart.
It is bright, but not too bright. On at 6 am off at 9 pm
Keep them coming. I am going to do them all!
How many hours the light on?
What is your water change schedule?
Nitrates in ppm before a water change?

Nitrite 0 ppm
Nitrate 0 ppm
Ammonia at 0.25 ppm