ok guys didn't want to hi jack the other post so here goes..... i need to get a filter for my set up and was wondering did i have to buy the 1 from killer rons are are you guys running something diff?????? i may be asking a lot of ??? on this as i am new to it.. i will be in touch with james from killer rons as well...also where is a good place to buy a test kit for the alky?????thanks guys