Copepods hotel back wall

Seregus

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Hello everybody!

I read about pods and live rock is enough, but its never enough.

So I come up with idea of making a different kind copepods hotel. Instead of large cube or modern structures to make a slim, say 5mm total thickness sheet with some holes and walls and stuck it against bottom of the back wall.

So its like 10-15cm height (could be all length of the tank if needed) so this way its almost invisible, well in new tanks without caroline algae grown … to stick it to glass it could have a simple angled ‘leg’ which is covered with glass and glass weight holds it all against back of the tank, or some silicon at the top just to create some pressure.

This way its almost will be safe haven for pods and easy feeding space for pod eaters?
 

JTP424

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Give it a shot and post about it here! I'd be concerned with detritus cleanup, but interested to see where this goes.
 
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Seregus

Seregus

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I have just made a prototype in sketchup, not perfect, but could give idea. Bottom 'leg' has slots, so it's two parts to slot or glue together. This way 3d printing does not need any supports.

The part with holes will be front visible, the part with different 'wavy' lines is a back, actual space pods will be able to live. Maybe I need way more those lines to make is a tunnel.

So it's kind of stuck with back wall, this is why I thought of top silicon, to avoid it getting separated with back wall. While maybe it will not be needed...

Holes I made are 3mm, 2mm and 1mm diameters. Depth is 5mm, but it could be too thick, easy to reduce to 3mm or 4mm...


In terms of detritius - it can be taken out, for easy cleaning, but why? our rocks never get cleaned?

Screenshot 2026-02-03 at 21.34.14.png
Screenshot 2026-02-03 at 21.34.09.png
 

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