this overflow is great, but with my 6ft tank i need 2 of them, however i find that this isn't so great in collecting gunk thats near the bottom of the tank.
Read the first page, all these pages are the same questions being asked over and over and over again. If page one doesnt have page 2-5 deffently will, sorry if this seems harsh if people would do even just a bit of looking by themselves without asking for help at at every question i almost bet this thread would be atleast 10 pages shorter. Sorry if it seems like im taking it all out on you its just complete lazyness on everyones part now. Also to answer your question its a check valve they use it to get the remaining air out of the loop.hatorihanzoe;1226041; said:more questions could someone tell me whats the circled thing is and its use?