What exactly is an overflow?

  • We are currently upgrading MFK. thanks! -neo
leather;4076147; said:
why wouldn't you instead make an attatchment on the open pipe outside the tank and put a valve on the drain to the sump. Then back fill the overflow to eliminate air.
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The air needs to go somewhere, and it "floats". The easy way to get all of it out is to suck it out. Down the road, part of the maintenance with them is to suck out any air that has built up in it. You'll need it for that too.

leather;4076147; said:
Those little check valves seem like they might be problematic and easy to break off.
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They don't last forever, and I have always been nervous about them failing while I wasn't home. (Failing means the end result is flooding.) The solution is to put a short piece of airline tubing on the exposed end and keep the other end in the tank. That way if the rubber goes bad and starts leaking, it will only suck in more water. And it is wise to silicone the check valves in (if anything at all) instead of glueing it in. When it needs replacing, you can remove it.
 
Yah I guess there will be a build up overtime of microbubbles, just looking for a better way than those little check valves. I'm looking to try one soon, and I found that diagram all over the place so I have been thinking on it awhile.
 
an "overflow" is lazy slang for an "overflow drain"... it's a drain where the water level overcomes the top of a pipe and 'overflows' down into the pipe...

just like a "bulkhead" is lazy slang for a "bulkhead fitting"... which is a poor choice of slang as a 'bulkhead' is actually the hole that the 'bulkhead fitting' is placed into...
 
nc_nutcase;4076420; said:
just like a "bulkhead" is lazy slang for a "bulkhead fitting"... which is a poor choice of slang as a 'bulkhead' is actually the hole that the 'bulkhead fitting' is placed into...
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Well.... close, but no cigar...
A Bulkhead is a partition that divides compartments in a ship or vessel...
That's where the name comes from, the plumbing of ships.

Bulkhead fittings are the fittings like we use to go through the bulkhead or wall of our aquariums...shortened for aquaria to "bulkheads"
A "hole" is a hole...;)
 
I thought the bulkhead was the hole in the wall... but you are saying it's the wall itself?

and a quick check shows... you're right... the bulkhead is the wall...

a bit off topic, sorry...
 
Does anybody have experience with the AGA predrilled MegaFlow tanks with the two overflows? That is the tank I went with and I am going to buy and I am going to get two of the overflow kits.

Does anybody have any suggestions for a sump setup for these and some brands maybe?

How can I prevent an overflow during a power outage?
 
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