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Originally Posted by devilfire
never consider a bigger sump? say..2x1.5x1.5.
whichever ur decision, juz make sure
1) the vol in ur main tk(between the top of the overflow pipe and the top of the main tk) is more than the vol(water) in the last compartment of the sump.
2) the sump is able 2 hold the siphon back water from the main tk(ur setup is unlikely 2 happen).
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Hmm, now I am confused Bro DevilFire,
I try to post a diagram of my intended design of Overflow( or if you been to LCK110 ) , did you see the way the tanks are drilled and a PVC pipe attached , with the top portion connected to a conical shaped pvc. Yup mine overflow will be like that , w/o the additional glass partition enclosing the overflow like most tanks do(is that necessary?)
So my logic is drill a 25mm hole with a 25mm overflow pipe, a return pipe 20mm , and as the return pump pump water back into main , water overflow through the overflow pipe back into sump. How do I ensure 1) ?