So I am preparing my self to purchase white sponges for my sump. I am using a fluidized media filter made by Avast Marine. And I need to add sponges to lick up the power of filtration. You can see how much space there is in the sump for them. It is a Red Sea Reefer Nano.
My goal is to have close to immaculate water conditions and I favor sponges as the best method.
I will post updates when accomplished.
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From @urayuan