can someone help me fix my pump placement?

ok so the title pretty much says it. I have three 106gph pumps as well as two aquaclear hob filters used as refugiums. My nitrates/nitrites are at 0. but I still am having a cyno problem. you cant see it in that pic so I colored it in in magneta. I can only think that there is an issue with my pump placement and that is why I am having the issue.

I have already decided to rearrange the rockwork but I wanted to see if anyone had any ideas as to how I can fix the pump placment in order to get rid of this problem.

thanks
 
I would suggest pointing the one in the left side of the tank diagonal downwards towards the bottom right front corner. Or if you want, I would instead do one large powerhead instead of the three 106g/h. I would save you more tank space and also electricity.

That or if you get some more snails and hermits, they'll stur the substrate a bit and cyno won't be able to grow.

JMO but hope that helps
 
Just move them around some for the most random flow patterns you can get. May take some tinkering.

red slime is a @#$%^ for sure. I usually zap it with some erythromycin after the first month or 2 after the tanks been setup followed by some other maintenance I feel is needed and specific to using the erythromycin

Not uncommon for a newer tank, how long has it been up?
 
IMO you have too much rock and that is a contributing factor to your circulation problem. Remove a few pieces, definitely take it away from the walls of the tank and you may not even have to mess with the PHs at all.
 
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