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mcgyvr · 03/08/2018, 11:38 AM

bouncing?
A check valve is never a good solution..

If I'm understanding the problem all that is happening is that the return water is flowing backwards due to the siphon formed.. Anti-siphon holes are the solution to that or raising the return up in the tank..

A siphon will form and the water will backflow until the return piping is exposed to air thus stopping the siphon..

However if I was really specific the problem is really that your return pump/piping isn't mechanically secured to anything thus likely putting stress on the joints/back of the glass,etc...
All my piping is always clamped to the stand or wall behind the tank so that its not just hanging there..

I used these last time..
https://images.homedepot-static.com/...cr-64_1000.jpg

03/08/2018, 11:38 AM	#6
mcgyvr Registered Member Join Date: Sep 2003 Location: North Carolina Posts: 20,050	bouncing? A check valve is never a good solution.. If I'm understanding the problem all that is happening is that the return water is flowing backwards due to the siphon formed.. Anti-siphon holes are the solution to that or raising the return up in the tank.. A siphon will form and the water will backflow until the return piping is exposed to air thus stopping the siphon.. However if I was really specific the problem is really that your return pump/piping isn't mechanically secured to anything thus likely putting stress on the joints/back of the glass,etc... All my piping is always clamped to the stand or wall behind the tank so that its not just hanging there.. I used these last time.. https://images.homedepot-static.com/...cr-64_1000.jpg __________________ Who me?