Building a Massive Closed Loop for the 400 Gallon Hardline Reef

[Reef Builders]

There once was a time that every serious large reef tank was on track to become outfitted with a closed loop for providing water flow throughout the aquarium. Right before any kind of propeller pump became not only an option but THE option, there was powerheads in the tank, or a purpose built closed loop system. […]
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[User1]

Are you planning any support of the return pump? I'm thinking you will have a issue on your hands soon due to the energy of the pumps, motor motion, and vibration. It looks clean which is what I think you are looking for so great job. I'm just afraid you have a potential issue on your hands and 400 gallons of water is a lot.

 

[motortrendz]

No primer on the pvc before gluing? And teflon on the pvc threads?hopfully your supporting the pumps bc your looking for something to leak lol. Looking forward to seeing how you plan on running the inside plumbing.

 

[Fishyjoey]

I agree with the previous posts, better install several leak detectors.