Beananimal Problems

[ScottF83]

Totally understand! I fully expect I'll have to retune it all again but at least now I know that, before I push the tank into position and fill it with the NSW that I'm sourcing, it will be possible to get it silent and water tight

Did some things to hopefully eliminate the leaks so probably do a test tomorrow one last time and then drain it all.

Really needs a good clean. Bits of silicone and pvc shavings everywhere!!

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[Lsufan]

Like Brett said, u will need to fine tune it once u get it filled with saltwater. I would leave the valve where it is because it should give u a good starting point, u shouldn’t be to far off.

In your last pics the water level in the overflow box looks better, but it still looks like the open channel (secondary drain) is a little low. From the looks of it I think u will find that u will need the top of the 90 about even with the top of the pass thru holes. I find that if the water level is above about 1/2” on the inlet of the tee it starts getting louder & u start getting bubbles exiting into the sump. So where u have the section of pipe connecting the 90 to the tee, about 1/4” to 1/2” above the bottom of that section is what I would shoot for.

I have a similar setup to u on my 150 gallon. The only difference is I made the interior wier from acrylic & have bulkheads holding it onto the tank. Then I have a glass exterior box with all 1.5” plumbing. I have a 60” long tank so I made the boxes 54” long

 

[ScottF83]

Like Brett said, u will need to fine tune it once u get it filled with saltwater. I would leave the valve where it is because it should give u a good starting point, u shouldn't be to far off.

In your last pics the water level in the overflow box looks better, but it still looks like the open channel (secondary drain) is a little low. From the looks of it I think u will find that u will need the top of the 90 about even with the top of the pass thru holes. I find that if the water level is above about 1/2" on the inlet of the tee it starts getting louder & u start getting bubbles exiting into the sump. So where u have the section of pipe connecting the 90 to the tee, about 1/4" to 1/2" above the bottom of that section is what I would shoot for.

I have a similar setup to u on my 150 gallon. The only difference is I made the interior wier from acrylic & have bulkheads holding it onto the tank. Then I have a glass exterior box with all 1.5" plumbing. I have a 60" long tank so I made the boxes 54" long

Probably just my picture. The bottom of the tee where the water has to trickle over so above the weir holes but lower than the emergency drain so I think just where it needs to be. I couldn't resist trying again this morning and it was fine again.

The only source of noise now is my pump which I'm struggling to get into place because the pipe is so rigid and annoying, and the other source is the waterfall in the sump as it leaves the first chamber. Appreciate this one will get quieter with algae growth and so on. For now I'll just try and muffle it and have the water level higher in the next chamber

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[BrettDS]

The only source of noise now is my pump which I'm struggling to get into place because the pipe is so rigid and annoying

One thing that can help with both of these issues is to put a short section of silicone tubing between the pump and the rigid pipe. Sometimes if the pump is connected directly to the rigid pipe any noise or vibration from the pump will be amplified by the pipe. The soft section of tube will prevent this. Additionally the soft tube can help give you a little flexibility when you're trying to attach or remove the pump.

 

[ScottF83]

One thing that can help with both of these issues is to put a short section of silicone tubing between the pump and the rigid pipe. Sometimes if the pump is connected directly to the rigid pipe any noise or vibration from the pump will be amplified by the pipe. The soft section of tube will prevent this. Additionally the soft tube can help give you a little flexibility when you're trying to attach or remove the pump.

Sorry didnt explain very well but that is how I have it. The problem is the flexible 30mm tube is very rigid and inflexible

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[BrettDS]

Sorry didnt explain very well but that is how I have it. The problem is the flexible 30mm tube is very rigid and inflexible

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You probably have vinyl tubing instead of silicone tubing. Vinyl tubing is very inflexible, especially when you get into larger diameters. Silicone tubing is much more flexible even in large sizes, although it's also much more expensive. But just buying a foot or two to use between the pump and the rigid pipe isn't too bad.

 

[Lsufan]

Something else that helps along with what Brett mentioned is placing the pump on a silicone pot holder. U can get them at Walmart & they help a lot with the vibration. I actually use about a 12” section of flex pvc from my pumps on both of my setups & it is flexible but it is still more rigid then silicone tubing. I use flex pvc because it takes the same fittings as rigid pvc & I don’t like barb fittings. That & the pot holder removes any vibration.