How To Protect Against A Clogged Drain Pipe In Multi Tank System

  • We are currently upgrading MFK. thanks! -neo
At the store i worked at we ran a 1" i.d stand pipe with a 2" i.d sleeve over it with slots cut at bottom and top. That way it could flow water up through between the 2 pipes. Just cut the outer one an inch or so taller.

This seems like a good idea too but it wouldn't really work if you had a hole cut in the back of the tank for the water to drain. I've seen this concept with built in overflows though where there is another piece of acrylic blocking the slots where the water would flow in. I think the set up I saw was more so that the floating food wouldn't get sucked up since it was an arrowana tank.
 
I paid like less than $2 for intake strainers on marinedepot.com

You should be ok with a strainer. It takes alot to block a drain, if you're running within the plumbing's capacity and a dead fish gets up against the strainer, you still should be ok.

That being said, I like having two drains on every tank. And having both drains sized to handle 100% of the flow on their own. Not just for the safety factor, but its nice to be able to shut off one side and work on a section of plumbing.

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