How Do You Determine Proper Water Level In Sump on Wet/Dry?

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T

tvanslooten

Feeder Fish
MFK Member
Nov 20, 2005
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South Dakota
I have a wet/dry sitting around the house that I'm going to try to figure out how to use. This is my first attempt at setting up a wet/dry. How do I determine what the proper water level should be in the sump? I know it's imperative you determine the proper water line to prevent floods but I have no idea how you go about figuring out what that line is.

Travis
 
If it is a wet/dry filter, the water level should be just below the bioballs/bio media. In wet/dry trickle filters, the bioballs are not submerged. If the wet/dry filter is properly sized to your tank, (and your return pump is properly sized) and you have internal overflow boxes in your tank, flooding will not be an issue. We have frequent power outages in our area. When the power goes out, I have to add a lot of water to the main tank to raise the water level in the wet/dry filter and get the bioballs submerged...don't want a die off of the beneficial bacteria because the media dried out.
 
The tank is 120 gallons. The wet/dry didn't come with any paperwork so all I have are the dimensions. It's 23" by 12" wide by 14" high (from the bottom of the unit to the bottom of the drip tray). The pump that came with it is a RIO 3100 and is rated at 900 gph but it drops to 700 with the 3-4' head I have. This isn't a drilled tank so I'd be using the overflow box it came with - which as 2 bulk heads/intakes. It also came with 2 siphon tubes. I'm still trying to figure out if I'm supposed to run both of them or just one of them. Usually with these overflow units you have 1 siphon tube but maybe this one needs 2?

Travis

Unattended Fish said:
What size is the sump? Also what's the size of the tank that your thinking of putting it on? Then we'll go from there...
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