pvc overflows and newb questions...

[YMCFLAMESROCK]

Hi everyone... new to the forums and reefing and need some help.
just want to know if there is an expert on pvc overflows in calgary that could take a look at my setup. (over the glass pvc overflow).

Started a 54 g tank and decided to add a sump after the tank was running.
built couple of 3/4 pvc overflows and they seem to work when ever they want.very intermittent.
had couple of mini floods, no real damage done. but it is starting to frustrate the crap out of me.
need some help in figuring out why they keep loosing suction.
Also general question on how long it takes for dry rock to start changing color?

[martinmcnally]

Do you have a pump removing excess air inside the pipes. It should be running
24/7

This is the one I used in my setup before:

http://www.marinedepot.com/Tom_Aquatics_Aqua_Lifter_Dosing_Pump_Accessories_f or_Aquarium_Overflow_Boxes-Tom_Aquatics-OE1137-FIOFOA-vi.html

[YMCFLAMESROCK]

i will try it right away.
not sure of where to remove the air from ?

[YMCFLAMESROCK]

from the check valve connection ?

[martinmcnally]

You should be removing air like this:

http://www.aquariumlife.net/images/pvc-overflow-figure3.png


Other wise any stray bubbles get trapped in there and eventually the syphon breaks.

[YMCFLAMESROCK]

That's awesome, I'll try that and see what happens.
Thank you



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