New 700 Litre tank filtration questions

  • We are currently upgrading MFK. thanks! -neo
Dr Joe;843815; said:
If your going to have a large planted tankand only 50 tetras, do you really need the sump? Maybe consider a co2 system instead (just randon thinking here).
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i dont need it, however, you miss something more inportant, I WANT IT :-)
 
BenScoobert;843921; said:
There was no plan for 2 pumps on the return, the cascade would pass some water to the sump and the flapper/float/cistern valve would stop it putting water in to the sump faster than the pump could return it via a seperate pipe.


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I was considering the canister as one pump, but I did mis-understand the return too. Got it now. This is going to be interesting.

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Not just 50 tetras, theres a plec too!!!!!!
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OH, That's more like it! :ROFL:

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BenScoobert;843927; said:
i dont need it, however, you miss something more inportant, I WANT IT :-)
Click to expand...

Now we're seeing eye to eye. I definately undersand "I want it".

So lets git it done.!

Dr Joe

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I'm having problems finding the right plumbing for the job, the flapper/cistern valve connects to copper pipe FFS!

Is there anyway a siphon can be slowed down relative to the water level in the sump, without raising the sump higher.
 
Physically raising the sump or sealing the sump to pressurize it are the only things I can think of . Neither of them very practical.

Maybe a re-think of this is in order.

Dr Joe

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Ive had an idea but I can't think how to physically implemant it.

heres another technical drawing!!
tankdiag2.JPG


Imagine that pipe is from the tank to the sump, it exits into a wet section, its has a ball floating below, when the water gets high it pushes the ball to the pipe, slowing and eventually stopping the flow.
What do you think?
 
Ball type check valve, used in snorkles too (and sears wet/dry vacuums).

Then when water gets high enough (heavy) in tube, it pushes ball down to release more water.

Have to keep the ball lined up (captive) under tube.

Ball material will have to be hard so as not to groove or deform and place the seal on the tube.

It has possibilities...

Dr Joe

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