Currently my nutrients is on the low end and controlling so it doesn’t seem to promote algae growth from wad i see now as its shining directly into a basket. I rely on skimmer and ats to control nutrients level with my load of medias! Extreme left is a solitary compartment inbuilt with sump for ATO water. Following by, 1st compartment is my flow back and medias 2nd is skimmer , ats and medias 3rd is return pump, medias. Sent from my iPhone using Tapatalk