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Old 07-08-2012, 02:26 PM
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reefgirl189 reefgirl189 is offline
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Quote:
Originally Posted by Borderjumper View Post
Also Im not happy with the amount of water that drains back down to the sump when i do an emergency pump shut down. All those little holes in the bottom of the waterfall box tend to keep refilling the box, even after the level goes down past the bulkhead. It drains down a good 2" before it pressurizes enough to stop the back flow.. and when your tank is ony 12" to start whats way too low. I put an elbow into the waterfall box too, and add a standpipe of about 3-4". This keeps the box fuller, which increases the down pressure so the water from the little holes doesnt push back up.
Are you thinking about installing a check valve to stop the problem? We ended up having to put one on ours because of the position of the bulkheads draining too much into the sump and found it was a nice, easy, cheap and quick solution.

I'm very excited to see how this tank turns out.
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