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#4
02-05-2013, 02:27 AM
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forgot to add some info on the tank .
IT is half inch glass all the way around . with 2 panes on the bottom. 1" thick totall . Not sure why it was done this way . maybe someone on here knows. so afterI made the overflow around the three existing holes i started to research proper quiet drain setups and sumps.. again back online .. must have read 30 hours alone on drain designs !! What i decided was a Herbie design extactly . So i ordered 3 new double threaded 1 inch bulkheads. I wanted to be able to remove everything in the plumbing as I had no idea what i was doing. Okay i wont explain the herbie , but simply put . I have 1 drain 6 inches long straight up open ended . This goes straight into the sump. no bends or turns. It is controlled by a spears 1" gate valve ...(pricey little bugger.) second pipe goes right to the top about 1/4 inch below the bottom of the wier. this is the back up drain third is the return , with a couple of 45's and some flex makes its way to the tank and straight up and into a 3/4 loc line Y fitting . which splits into two 3/4 loc line runners into some flared nozzles .  and  .so i got this all fired up and tested to find out that i had too big of a weir in my tank . I could not raise the water level of the tank high enough with the output my pump was giving me . ( I had 20 inches of wier with 2" deep teeth). So I added some more acraylic behind the teeth to raise the water level . problem fixed . Now when the tank is running the water level is just above the start of the tank trim . Then flows over the weir and drops about 1/2 inch . and remains stable .. Super quit . i do not even hear the water at all ..! so far so good I am getting my build thread out of order .. doh ,, i will add the steps in a bit lol 
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