im getting a brownish red color type film in my filter sock area and also in my filter sock,i put new phos media in the reactor last week i rinced it real good before putting it in,im using a maxijet 600 on it but i have it turned lower then the pump puts out id say its getting 1/2.Is this going to cause a problem for me i have turned it off till i get an answer what should i do?Thx RJ