filtration help

I currently have my eshopps nano skimmer in the left rear corner of my fluval evo 13.5g, and in the past it has been collecting gunk but I haven’t had to clean it out for a while now. I’m wondering if it is actually picking anything up now that I have a wavemaker flowing towards the opposite end...

I originally ordered 3D printed media trays with flow direction that I would use for media bags in chamber 1 and a refugium in chamber 2… the story on that is in my other post here: https://www.reef2reef.com/threads/refugium-build-decision-for-fluval-evo-13-5.1061800/#post-12656820 I still...

Picked up this used marine land 29gal aio and it currently has a bio wheel and shotty media basket that I plan to take out leaving it basically Chamber 1: overflow Chamber 2: empty Chamber 3: empty Chamber 4: return pump I’m used to my innovative marine Nuvo 15 that only has 3 chambers and...