10-12-2011, 12:39 AM
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#4 |
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Originally Posted by wannalearn thanks reef, awesome link, i will be bookmarking that one. that page answered alot of questions. i WILL be doing a sump. a question i didnt see asked tho. i understand the drill a small hole on the u shaped piece for the overflow, to stop flow in a power outage, i guess need a hole on the intake and return to be safe, but what i dont understand is,when the suction is gone form the overflow, water stops flowing, but when power is returned and the return pumps kicks back on, would it not empty the sump and then burn up..since the overflow lost it suction and can no longer supply water to the sump.. | Thats why most people buy a Aqualifter pump to attach to the U tube on the overflow. The pump sucks any air that got into the line, out, and therefore re-starts the syphon. Er, most of the time. The pumps do fail from time to time. A Reef Ready tank, one with holes already drilled in it for sump purposes is the only one i will do a sump with, because of that random failure of the pump on the u tube.
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