Questions about DIY overflow

pbarber

New member
I started my system with a PVC overflow I made based on King of DIY's youtube video. The existing overflow is bigger than necessary for my system/return, and as an apparent consequence the overflow makes a soft but annoying sound. I'm fairly certain that I can solve the issue by more appropriately sizing my weir and overflow.

Now I have the new overflow/weir built and ready to install, but I'm worried about the PVC weld and primer. I have looked it up online and not found a satisfying answer. I've rinsed out everything that I was able to prefab, but there are a couple of joints that still need to be glued but will not be rinsed before reef water passes through them.

TLDR: Should I worry about the chemicals in the PVC primer or weld?
 
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