- Joined
- Oct 25, 2018
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Setup my Red Sea 625 yesterday. Everything went well, and I even poured some water in the overflow before filling the tank to test for leaks, and there were none (or so I thought). Filled the tank, and noticed a slow leak on the main drain line. It's not the bulkhead, where the glass is, but where the drain pipe from the overflow and the sump pipe meet.
Since the threaded rings aren't any sort of seal on these tanks with the red sea plumbing, I'm assuming it HAS to have something to do with the o-ring. I removed and reinstalled that pipe three times. Inspected the o-ring, looked brand new (as it should) and seated well. Each time it leaked, albeit slowly.
The only other thing I can think of is my return pump is too strong causing too much pressure in the drain pipe. It's an aqua-mag 1800GPH AC pump. Red Sea recommends 1600GPH, so I thought I was fine, but this seems wayyy too much for my system. Regardless, even if it was too much, should that really cause a leak in the drain pipe? Let me know what you guys think - need to get this fixed as it's holding up my move to transfer my fish over.
Since the threaded rings aren't any sort of seal on these tanks with the red sea plumbing, I'm assuming it HAS to have something to do with the o-ring. I removed and reinstalled that pipe three times. Inspected the o-ring, looked brand new (as it should) and seated well. Each time it leaked, albeit slowly.
The only other thing I can think of is my return pump is too strong causing too much pressure in the drain pipe. It's an aqua-mag 1800GPH AC pump. Red Sea recommends 1600GPH, so I thought I was fine, but this seems wayyy too much for my system. Regardless, even if it was too much, should that really cause a leak in the drain pipe? Let me know what you guys think - need to get this fixed as it's holding up my move to transfer my fish over.