HI iam new to the hobby and have had my tank runnign for about 5 months now i have had fish in it for about 2 months 1 clown, i angel fish and a dog faced puffer the puff was added about 3 days ago. my protien skimmer doesnt seem to be doing anything besides moving and filtering water there is no film inside the collection cup , there is no film ontop of the water i just dont understand why its not doing anything? has the fish not been in there long enough? or is it not working right? I can see bubbles inside the skimmer but nothign major


