Dream Tank

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Im also confused, why is it dangerous to run them separately?

I figure as long as the drains are high enough in the DT it won't be a problem. When I built a 400g with dual 75g sumps, I drilled my drains a couple inches too low and could only load the 75s to 9-10" to avoid flooding if a clog occurred. Like I said as long as the e-drains are going to both sumps and there's enough room in the sumps it should be adequate.
 
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I've never tried to set up dual sumps on one tank so I am looking forward to seeing how you do it
 
Separate pumps. I saw pumps with adjustable flow rates
Are you running separate pumps on each sump? How are you balancing flow

I had another thought on this in the middle of the night. If the adjustable flow pumps are too expensive, I could plumb valves into the return lines which would serve the same purpose.
 
I've never tried to set up dual sumps on one tank so I am looking forward to seeing how you do it


I'm taking some ideas from multiple YouTube vlogs I subscribe to, as well as some ideas of my own. This is going to be fun!
 
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I figure as long as the drains are high enough in the DT it won't be a problem. When I built a 400g with dual 75g sumps, I drilled my drains a couple inches too low and could only load the 75s to 9-10" to avoid flooding if a clog occurred. Like I said as long as the e-drains are going to both sumps and there's enough room in the sumps it should be adequate.

As an additional fail safe I'm going to plumb bilge pumps into the sumps on a float switch that will run into the sump system for the house. this way in case of a power outage or any other emergency the water will go out of the house not onto my floor.
 
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As an additional fail safe I'm going to plumb bilge pumps into the sumps on a float switch that will run into the sump system for the house. this way in case of a power outage or any other emergency the water will go out of the house not onto my floor.

And I assume these bilge pumps are going to be powered by an auto start generator or something other than your power grid?

It sounds ambitious, I like it. Like I said I think the main concern is making sure each sumps drain-in and e-drain is identical and making sure the sumps are big enough to accommodate the water at overflow level.

I will add this though: having tinkered with both single and dual sump setups, it is MUCH more simple and reliable to have a single larger sump with two pumps vs. Two sumps.

Here's the 400 I set up awhile back. The tank itself failed after about 2 weeks of operation. But the sumps worked great during that time.

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It is a bit ambitious, another reason I'm going slow. There will be some trial and error. If the tank fails no amount of preparation will prevent the disaster. The bilge pumps with be 12v. hooked up to a battery and trickle charger. Similar to what is on my boat.
 
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As I was about to move my grow out tank into the house I had nightmarish thought. What would happen if the tank failed. At least 125 gallons of water onto the floor and into the carpet. So to that end, I've decided to change the floors in my family and living room. should only cause a slight delay. And will give me time to redesign my ideas on filtration.
 
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