Ok been a while. I think I have tried everything. On the flow side I tried max flow and reduced flow. With the former nothing was growing on the side where the water entered the screen so I reduced it to 50% now I have growth all over. I ran light from 9 hours a day to 19 hours a day , no change. All I am still getting is the dark green growth which I have been getting from week 1.
I have stopped carbon dosing and the phosphate reactor media has not been changed in 2 months so it is ineffective. The protein skimmer is still on but is skimming very little to nothing. The tank is 1.5 year old and is generally healthy.
I can see some hair algae on the wavemaker and dark green carpet on the back wall. I have ordered decent lights for a DIY fixture but I do not think that is the issue. Logically I should have some growth even with weak lights. The only other reason is the water quality but I feed 1 cube a day with 1/4 Nori sheet and therte is no external filtration except for the skimmer which is really not doing much. Other thing is signs of algae in the tank so I am stumped.
Hair algae on flow maker
Green algae on the back wall
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