Raising water level in DT

[oscadoob]

Hey folks. So.i just upgraded my lighting and im made up with the tmc ilumnair but now im running my tank with no lid and tbh it looks crap from the top. I was hoping to gather some ideas to raise my water level in the display tank. It was predrilled when i bought it, but the guy i had it from was clearly a little sloppy with his handy work.. which i didnt mind so much with the lid on. Are there any good guides for a diy weir or should i just put 2 elbows on the overflow pipes on my next pwc (tomorrow). Will it make alot of difference with regards to noise levels. I could probably get a little higher by turning up my return pump but its less forgiving with the daily top ups and i fear i will end up running my pump dry one day.

Thanks in advance



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[coralbandit]

IMO one elbow facing up should/could raise the level safely...

 

[oscadoob]

How would it be unsafe if i put 2 on.. not argueing just wondering still learning. Is it down to evaporation and eventually the sump level dropping?

Wouldnt only adding one increase chances of the sump overflowing if a pump fails. Cause the water volume will need to be increased to i increase the water level in the DT otherwise the sump would run too low for the pumps. So if yhe pump failed an increased volume of water would run into the sump causing overflow

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[coralbandit]

I just see one elbow coming from hole drilled in glass and facing up properly..
Another elbow joined to it will face parallel with the water???

https://encrypted-tbn1.gstatic.com/...tank123.com/over-flows/overflow_surface_2.PNG
Looking like this??

 

[oscadoob]

I know what you mean now..i didnt mean to create an outlet parallel to the water..i have 2 holes drilled for my overflow so would require 2 elbows so the both face up..i couldnt understand why i would leave one hole as it is and one with an elbow.. sorry.. pics prob not the best

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[coralbandit]

Yea your plan should work and you definitely need to both overflows!
I only saw the one!!

 

[oscadoob]

Will it be excessively noisy?

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[coralbandit]

I don't think it will get louder?

I keep my marine tanks partially covered to allow proper gas exchanges and have some control over evap and jumpers.
I always keep the back section and remove the front that would be the flipper panel....

 

[oscadoob]

Cool thanks for your advice. What sort of pipe adhesive can you recommend. Ill have to get a n elbow to insert into the overflow ive got already i dont fancy taking parts off.

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[coralbandit]

Look for the two different types of elbows; 'street' and 'common'.
One will slide over the pvc if there is any coming from bulkhead(common).
The 'street' will slide into the pvc or possibly even the bulkhead.
Since the fitting is completely in tank I try not to glue it.
Possibly compression/friction will work alone as I have seen this many times.

 

[oscadoob]

Alright ill take a tape measure with me and see if i can find one to slide into the bulkhead. There is no pipe protruding into the tank

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[coralbandit]

There is no pipe protruding into the tank

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In that case you will want the 'street' elbow or you will need a piece of pvc and a common elbow.
Good luck, SOMETIMES bulkheads have odd sizes.


https://en.wikipedia.org/wiki/Street_elbow

 

[oscadoob]

Managee to get some "street" elbows pack of 2 for £1 and a bit of pvc pipe to connect. Cant grumble for £2 very tight fit almost took a bit of persuasion but thats better i suppose just hope they hold up cause ill be left in a mess if they manage to come loose

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[oscadoob]

Just need to clean up that silicone.

Thanks again for the help

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[oscadoob]

Now for my next question... how can i get rid of that glue.. the guy who had the tank before me just put duct tape round the top of the glass cause the water level was so low.. now im stuck with this....

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[oscadoob]

Sorry...

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[oscadoob]

Scratch that.. nevermind vinegar a razor blade and a bit of scrubbing with filter floss and its gone

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[oscadoob]

Hey coral bandit, just wanna say thanks again. All set up now, ive increased my tank volume by almost 30 litres and its running quieter than ever cause my sump level is much higher so less of the constant dripping. Im made up. Thanks

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[coralbandit]

Cool beans!

Have you interrupted power to make sure the sump is still all good?

 

[coralbandit]

Hey coral bandit, just wanna say thanks again. All set up now, ive increased my tank volume by almost 30 litres and its running quieter than ever cause my sump level is much higher so less of the constant dripping. Im made up. Thanks

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Early bird got the worm this am!