Eshopps In-Sump Nano Protein Skimmer Co2 Attachment

Great concept, challenging fitment

I love the concept of this product and it definitely works, but it did require some modification to make it work. The tolerances were a bit too tight in the inside of the main body, which made it very challenging to attach to the existing skimmer cup. I had to sand down the inside of the 3D printed attachment quite a bit in order to get it to attach to the skimmer cup properly.