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Old 01/13/2020, 03:19 PM   #1
djryan2000
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Are sumps worth it in a nano?

I have a 20 gallon nano and Iím considering adding a 10 gallon sump to it. Is this worth

Iíd use a HOB overflow with float switches to cut off the return pump if I lost siphon. I know itís not *necessary* but how much would this help with nutrient control and stability?
Iím also considering it from an experience perspective - so I have experience with sumps for when I eventually upgrade.


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Old 01/13/2020, 03:24 PM   #2
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If we look at it from the increase in total water volume a 10g sump would take you from 20 gallons to maybe 28 gallons.. Thats a fairly considerable increase when you look at the percentages..
Compare that to something like a 75g tank and adding a 40g sump.. Certainly similar gains..

Its certainly adds a "fun/cool/experience" factor too.. Not as cool as a 1G sump on a 2 gallon tank but still fun in the nano world..


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Old 01/13/2020, 03:44 PM   #3
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I ran a 15g sump on a 20g reef. I think its definitely worth it. Like mcgyvr said, you have the increased volume. You also get to put your heaters etc down there. Its also a good learning experience for when you move up to a larger system. It also makes for a good isolation/time out tank if you have fish misbehaving.

I had a HOB overflow and it was a constant source of nightmares. I had all the switches set, but those can stick....

If I were to do it again, I'd just drill my own overflow on the tank. Use a low profile overflow like from modular marine, or make your own. The whole process, drilling etc. is super easy.


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Old 01/13/2020, 04:00 PM   #4
djryan2000
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I ran a 15g sump on a 20g reef. I think its definitely worth it. Like mcgyvr said, you have the increased volume. You also get to put your heaters etc down there. Its also a good learning experience for when you move up to a larger system. It also makes for a good isolation/time out tank if you have fish misbehaving.

I had a HOB overflow and it was a constant source of nightmares. I had all the switches set, but those can stick....

If I were to do it again, I'd just drill my own overflow on the tank. Use a low profile overflow like from modular marine, or make your own. The whole process, drilling etc. is super easy.


Is there anyway I can drill when the tank is already up and running with livestock?


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Old 01/13/2020, 04:33 PM   #5
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Is there anyway I can drill when the tank is already up and running with livestock?


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I've seen a couple people do it... but I would lose my mind doing it. In other words... don't do it.


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Old 01/13/2020, 06:37 PM   #6
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Second the don't do it..


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Old 01/13/2020, 06:42 PM   #7
djryan2000
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I've seen a couple people do it... but I would lose my mind doing it. In other words... don't do it.


Thank you.
Do you think that putting the return pump high in the tank (need to figure out how still) and using a float switch / water level alarm like this - https://www.tunze.com/en.html?user_t...-infoxunter038
Would be safe to prevent spillage?


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Old 01/13/2020, 06:51 PM   #8
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Thank you.
Do you think that putting the return pump high in the tank (need to figure out how still) and using a float switch / water level alarm like this - https://www.tunze.com/en.html?user_t...-infoxunter038
Would be safe to prevent spillage?


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Are you talking about using a HOB overflow to drain to the sump? If so, I've had really good luck with them in the past. It's been 10 years or so since I've used one as I drill my tanks. That said, when I did use them, I setup my return pump on a battery backup and let it run. I liked the boxes that had a dual tube setup so that if one clogged, the other could handle the flow. I never used float switches to kill the power to the pump, although you in theory could do it.


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Old 01/13/2020, 07:00 PM   #9
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Are you talking about using a HOB overflow to drain to the sump? If so, I've had really good luck with them in the past. It's been 10 years or so since I've used one as I drill my tanks. That said, when I did use them, I setup my return pump on a battery backup and let it run. I liked the boxes that had a dual tube setup so that if one clogged, the other could handle the flow. I never used float switches to kill the power to the pump, although you in theory could do it.


Yeah Iím talking about a HOB overflow. My primary concern is losing siphon and then the sump water flooding the tank.


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Old 01/14/2020, 12:33 AM   #10
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Yeah Iím talking about a HOB overflow. My primary concern is losing siphon and then the sump water flooding the tank.


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Get an aqua lifter pump to keep the siphon going.


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Old 01/14/2020, 08:38 AM   #11
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The best way to ensure you don't overflow the main tank when an overflow siphon is lost is to ensure that the return pump section of the sump will run dry before the tank overflows..

Calculate the amount of water it takes to overflow your main tank.. Ensure that the amount of water to the point where the pump starts sucking air and stops pumping is less than the overflow amount..

Plain and simple and absolutely reliable.. Requires no extra equipment/switches to fail,etc...



Quite easy to adjust this after too by putting something (like a rock for an example) to limit the amount of water in the return section while not effecting the water level..


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Old 01/14/2020, 09:39 AM   #12
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Originally Posted by mcgyvr View Post
The best way to ensure you don't overflow the main tank when an overflow siphon is lost is to ensure that the return pump section of the sump will run dry before the tank overflows..

Calculate the amount of water it takes to overflow your main tank.. Ensure that the amount of water to the point where the pump starts sucking air and stops pumping is less than the overflow amount..

Plain and simple and absolutely reliable.. Requires no extra equipment/switches to fail,etc...



Quite easy to adjust this after too by putting something (like a rock for an example) to limit the amount of water in the return section while not effecting the water level..
This is actually brilliant.


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Old 01/14/2020, 09:53 AM   #13
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Quote:
Originally Posted by mcgyvr View Post
The best way to ensure you don't overflow the main tank when an overflow siphon is lost is to ensure that the return pump section of the sump will run dry before the tank overflows..

Calculate the amount of water it takes to overflow your main tank.. Ensure that the amount of water to the point where the pump starts sucking air and stops pumping is less than the overflow amount..

Plain and simple and absolutely reliable.. Requires no extra equipment/switches to fail,etc...



Quite easy to adjust this after too by putting something (like a rock for an example) to limit the amount of water in the return section while not effecting the water level..

^^^This^^^

Pumps/switches/floats etc fail. Usually just after you've left for the week. Gravity has never failed me even if I do wish it'd lighten up on me a bit

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This is actually brilliant.
Careful - you'll make his head big




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Old 01/14/2020, 09:57 AM   #14
djryan2000
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Quote:
Originally Posted by mcgyvr View Post
The best way to ensure you don't overflow the main tank when an overflow siphon is lost is to ensure that the return pump section of the sump will run dry before the tank overflows..

Calculate the amount of water it takes to overflow your main tank.. Ensure that the amount of water to the point where the pump starts sucking air and stops pumping is less than the overflow amount..

Plain and simple and absolutely reliable.. Requires no extra equipment/switches to fail,etc...



Quite easy to adjust this after too by putting something (like a rock for an example) to limit the amount of water in the return section while not effecting the water level..


Thank you. This is the method Iíll go with - plus it saves me ~$200 on the switches.
Should I unplug the return pump in a power outage so that it does not continue to run dry if siphon is lost?


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Old 01/14/2020, 10:17 AM   #15
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Thank you. This is the method Iíll go with - plus it saves me ~$200 on the switches.
Should I unplug the return pump in a power outage so that it does not continue to run dry if siphon is lost?


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The way I've always done it is attaching something like the Tom Aqualifter pump to the overflow tubes. It runs continuously, but it removes the air from the tube if there is a power outage and siphon is lost once the power comes back on (it sucks the air out and restores siphon)


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Old 01/14/2020, 11:00 AM   #16
djryan2000
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The way I've always done it is attaching something like the Tom Aqualifter pump to the overflow tubes. It runs continuously, but it removes the air from the tube if there is a power outage and siphon is lost once the power comes back on (it sucks the air out and restores siphon)


Does the overflow need to have any special attachments / parts to use these?


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Old 01/14/2020, 11:34 AM   #17
Bonanza
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Does the overflow need to have any special attachments / parts to use these?


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I'm trying to find you a picture of how I did it


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Old 01/14/2020, 11:38 AM   #18
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So looking at it more, I used a CPR overflow that had a nipple for the aqualifter. Here's an example of it.


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Old 01/14/2020, 11:38 AM   #19
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Not sure why that didn't post - https://picclick.com/NEW-CPR-CS150DX...l#&gid=1&pid=2


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Old 01/14/2020, 12:48 PM   #20
djryan2000
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So looking at it more, I used a CPR overflow that had a nipple for the aqualifter. Here's an example of it.


I see.
Do you think thereís any way I can fit the pump into this overflow? https://www.marinedepot.com/marine-d...RoC2NUQAvD_BwE

I didnít see any CPR ones for nano tanks


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Old 01/14/2020, 12:49 PM   #21
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Careful - you'll make his head big

Too late...


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