I was wondering if I could use a rena xp1 as a sump return pump and be more room for bio media. What does everybody think ?
sump idea
- Thread starter Arofriendly
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A canister filter is designed to be used as a closed loop...so, one would have to sit the filter in the sump and draw water from the sump and discharge to the tank. A normal overflow would be required....or, plumb the sump via a bulkhead to the intake of the filter. The discharge would, again, have to go to the tank and flow through an overflow back to the sump.
I have a similar setup....
My sump is plumbed with a bulkhead near the bottom on the end. I have an Eheim 2250, full of media and nothing else. A submersible pump, in the sump, pumps water from the sump, through the 2250(sitting outside the sump), out of the filter through a UV and discharging back into the sump. The reason it discharges back into the sump is the two return pumps pumping water from the sump back into the tank are moving 1700gph. The pump feeding the 2250 is only 300gph. My overflow is rated at 1800gph, so I would flood my tank. I figured the water in the sump is filtered so pumping it through the 2250 and the UV wouldn't be a problem with debris and so far, this setup is allowing me to run almost 20L of media in addition to the media in the sump.
If the overflow in your setup would allow for the canister to discharge into the tank, there is no reason why you wouldn't be able to do what you are asking. Even if you were to discharge through the filter and back into the sump, your return would be supplying the filter with "fresh" water and in some cases, a better contact time with a UV(like in my setup).
Anyway, sorry for the long answer. Good luck.
I have a similar setup....
My sump is plumbed with a bulkhead near the bottom on the end. I have an Eheim 2250, full of media and nothing else. A submersible pump, in the sump, pumps water from the sump, through the 2250(sitting outside the sump), out of the filter through a UV and discharging back into the sump. The reason it discharges back into the sump is the two return pumps pumping water from the sump back into the tank are moving 1700gph. The pump feeding the 2250 is only 300gph. My overflow is rated at 1800gph, so I would flood my tank. I figured the water in the sump is filtered so pumping it through the 2250 and the UV wouldn't be a problem with debris and so far, this setup is allowing me to run almost 20L of media in addition to the media in the sump.
If the overflow in your setup would allow for the canister to discharge into the tank, there is no reason why you wouldn't be able to do what you are asking. Even if you were to discharge through the filter and back into the sump, your return would be supplying the filter with "fresh" water and in some cases, a better contact time with a UV(like in my setup).
Anyway, sorry for the long answer. Good luck.
Thankyou for your info im trying to make my own overflow with a good sized hang on back filter that should give me enough flow . Just trying to set up a sump on a low budget
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I dont follow you. Are you going to use the HOB as a means to get the water to a sump by pumping it out and into a sump? Or are you modifying it to be the vessel for a tube-type overflow? Using it as a pump is no good, but I could see the merit of using the pump to prime the lift tube...
My low budget sumps have been nothing more than a rubbermaid container, a bag of media and some filterfloss. Submerged pump...BAM! Sump filter. As far as a overflow, those are super easy to make with PVC.
BTW, there are a ton of DIY threads here on MFK on how to make your own sump, overflow and various other filter coolness.
Im going for a overflow that uses the u tubes or is that not enough flow ?
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Its hard to say. The return pump will be pumping against head pressure so just because it says on the box it will pump 1000gph with a max head of 12ft doesnt mean it will pump 1000gph at 12ft of head. So, one must first determine what gph is actually being pumped into the tank and then the task of getting it back out and into the sump can begin.
Lets say you are using a 1000gph return pump, with a 3/4" inner diameter discharge/outlet. Your sump is about 4' below the tank and you have a couple fittings in the line for plumbing purposes. Realistically, you would be dealing with about 600-700gph. It would probably be ok to use a 1"inner diameter tube in the overflow. If you are designing the overflow, design it so you can use more than one tube if necessary.
There are a lot of threads in the DIY section that will help with regards to tubing diameter/flow ratios.
Lets say you are using a 1000gph return pump, with a 3/4" inner diameter discharge/outlet. Your sump is about 4' below the tank and you have a couple fittings in the line for plumbing purposes. Realistically, you would be dealing with about 600-700gph. It would probably be ok to use a 1"inner diameter tube in the overflow. If you are designing the overflow, design it so you can use more than one tube if necessary.
There are a lot of threads in the DIY section that will help with regards to tubing diameter/flow ratios.