Recent content by John N

I forgot one other important point to consider, the situation if your overflow drain gets clogged, yet your pump continues to pump H20 to the tank. This can somewhat easily be remedied with a float switch monitoring a low water level point in your sump or a high water level in the tank...

PS- It's good you found this out now...

Not a problem. I am designing my own sump at this point, and am trying to be extremely careful, given that my tank is on the second floor. I too have learned from asking questions, and the above issues were alerted to me. That's the best part of this hobby... People willing to help and offer...

Here's a quick calculation to figure out how much water will continue to flow through your overflow box until the siphon breaks. Take the teeth depth of your overflow box (say 1.5"). Add to it how far under water you plan to put the overflow box. If the top of the overflow is at the water...

mooner: One mild problem will come from the possiblity of your return pump stopping from an electrical outage. Given the height of the holes in your going from your refugium to your return area, you are not leaving much excess capacity in your sump for the drainage that would happen from your...