Mesh Screen Specifications

TheRoadWarrior

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Hello,
I’m in the process of building an octopus aquarium... and am still unsure about securing the overflow/plumbing.

I’ve read about mesh, under a sponge filter...

How big should the openings in the mesh be (in mm for example)?

I was thinking: something fine enough to secure a juvenile...
but as big as possible, to let let my sump do its job.
 

DWhatley

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I use a very course filtration made similar to a sponge but is not absorbent. I can't seem to find a source for what I have been using but recently bought a length of Gutter Stuff for this purpose. I do not put mesh over the filter.
 

TheRoadWarrior

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Ok then: so that’s what I’ll use for the plumbing. Thank you.

&

Hey DWhatley, while I’ve got you... I’ve been wanting to ask you a bunch of questions:

I saw in one of your videos...


...that algae wall.
I really like the way it looks ...and it seems like a good bio-filter and oxygen source (even if the power cut out, right?).

-Did it work out... is it something you would recommend?
-How did you get it to grow like that, and not on the rocks??

Also... I noticed you have a pipe coming down, from above (upper left hand corner, second half of video).
What is that, and why did you choose to set it up that way?
 

DWhatley

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Hair algae, not recommended. It looks great until it starts attaching to the rock work and then it is a real challenge to contain. I now scrape the back of that wall.

Ask away. Hopefully other keepers will add to any of my responses.

The pipe in the upper left is a return from the sump. There is one on each side of the 4' tank and they are powered by a SCWD so the flow alternates in an attempt to get better water movement. I still need at least one Koralia at the base of the rocks (the overflow is on the far right - this is an old custom all in one tank modified to include a sump).

Here is a link to my ceph album page (clicking on the image will give you a link to the journal which includes videos of the animal), I need to update it as it is several years out of date but there is a selection of animals there that may be helpful as you look for species and then use our search feature in the Journals forum to find other stories about a species of interest.
 

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