ok ok ok i know i'm a little late but i really need help with this i'm am in a position (rock and a hard place) i have been doing water changes every other week and yet i am cused with high levels of nitrate and low levels of pH, my question is this, i need help building a fuge i have no idea what all those pipes are for in other peoples fuge pics and i think i really need one if anyone could give me some simple set-up techniques or diagrams. I dont have alot or any money unfortuately. PLEASE HELLLP!!!!! send me a pm if you want