I purchased an aquac urchin pro with a mag 3 pump last week I have been running it for a week now and all.I get out of the skimming is this light green water I have 2 clowns, rbta and some zoas it is 37 gallon tank is this normal because I don't have a huge bio load the skimmer only cost me 50 bucks it was used should I clean out the spray injector does anyone else have this skimmer thanks