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somethingfishy · 08-30-2004, 05:08 PM

Okay, I think I got it. You actually have 2 problems? Which I think are easily answered.

The first one is, you are worried that the return pipe, the one leaving the sump & going back to the tank, will form a back siphon when the power gos out. The easy answer is you can get a check valve. Also you can leave return out of the water, this could get messy and noise. There is also a trick with drilling a whole in the return line maybe someone can explain this.

Second, the pump you have is overkill. You need to either get a smaller pump or Install a ball valve. Keep in mind too much back pressure will cause a pump to fail prematurly. You should have a pump that is close to the overflow rate. This can be hard to figure out because of the head reducing flow.

Hope this help and dosn't confuse you

08-30-2004, 05:08 PM	#4 (permalink)
somethingfishy Purple Spiny Lobster Join Date: Jul 2004 Location: Clinton Twp, Michigan Age: 27 Posts: 479 Karma: 40	Re: Sea life wet/dry Sump drilled?? Okay, I think I got it. You actually have 2 problems? Which I think are easily answered. The first one is, you are worried that the return pipe, the one leaving the sump & going back to the tank, will form a back siphon when the power gos out. The easy answer is you can get a check valve. Also you can leave return out of the water, this could get messy and noise. There is also a trick with drilling a whole in the return line maybe someone can explain this. Second, the pump you have is overkill. You need to either get a smaller pump or Install a ball valve. Keep in mind too much back pressure will cause a pump to fail prematurly. You should have a pump that is close to the overflow rate. This can be hard to figure out because of the head reducing flow. Hope this help and dosn't confuse you _________ Save a fishes life! Do some reseach before you buy your next fish.