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Gettin' Back on the Horse



So, after a minor setback of sump implosion, I am back into planning and implementing the setup of my big rimless tank.

This time, I decided to go with canisters as the filtration. I've been moving house of late and almost all of my energy is going into doing things to the new house, so I decided it might be better to just go premade for the moment.

Of course, this required a lot of new plumbing bits. I'm not gonna lie, putting together plumbing connectors has been my favorite part of all this. They're like wet legos or something to me. Which is awesome! Because man, did I need so many connectors to make the canister fit the tank.

So, what I had already were these guys:


On the left, the drain: one inch male threaded PVC. On the right, the return: 3/4 inch hose barb.

As it turns out, 5/8 tubing fits on a Fluval 306 (which is what I got!) and it also, with a lot of encouragement, will fit on a 3/4 inch hose barb. So that part was good. But I needed to get the drain to do the same thing. Which required..... a lot of plumbing bits!


From top to bottom: the drain I already had, 1 inch thread/slip coupling, 1 inch to 3/4 inch reducer bushing, a bit of 3/4 inch PVC as a connector, a 3/4 inch slip/thread coupling, and a 3/4 inch thread/barb coupling. Hooboy! There is probably a better way to do this out there but this is what I found at my local hardware store.

Here is what they look like all together and under my sump. Quite lengthy:


But it works out fine! Because my canisters are quite a bit shorter than my sump was. Here is a picture of the whole family together:


I put the canisters into a plastic container box thing for easier handling.

Also related: on the intake inside the overflow box, I sadly have to ditch the very fine standpipes that I made. Instead, I will just have regular drain holes. I didn't really like the idea of just having open holes back there, though, so I siliconed the intake strainer that was intended for the end of the canister tubing onto some 1 inch PVC. The fit was close enough that it works quite well!


The tank is currently filling with water, which takes more or less forever. I will let you all know what happens when it gets full and we turn these guy on! Hopefully nothing as eventful as last time...


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  • Supporter

similar to my set up.. i'ma look at shortening the hoses of my filters to look as neat also. the installer just let them to be flapping about and they've always annoyed me.

i think what you've done here is good! it works very well for me and i am sure that you will be happy :)

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  • Regular Member

Helen, the canisters themselves have cutoff valves. You close them, then pull the hoses out the top of the canister. So I think that'll work for servicing the canisters.

When I decide I want to clean out the hoses, I'm lucky in that I will be able to drain just the overflow box and not the whole tank in order to get the water out of the hoses entirely.

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