How do I know if my protein skimmer is working?
How do I know if my protein skimmer is working? you will know its working when you get a dry-ish skim in the cup, it will be very dark and smell bad. that skimmer cup should take about 3 days to fill up with gunk. if its too wet your cup will fill up fast, thats not what you want, you want a foam of gunk going into that cup. Do you need a protein skimmer for a 10 gallon saltwater tank? You will be fine without one as long as you have plenty of live rock and do your...