this was given to me by a friend and just cant find out witch model it is. I want to make sure its big enough for my tank, I have a Reefer 525XL so full system aprox. 140 gallons. Dia. on the skimmer is 6" but after searching I cant seem to be able to find the same one. Reason I think it may not be big enough is because I cant seem to be able to get my nitrates down after several water changes. the bio load is still light as of now but do plan on getting it a little heavier when I get nitrates under control. Ammonia is .1 nitrite .0 nitrates are killing me. off the charts. Im planning on ordering a second skimmer today and over night it so if anyone has any input I would appreciate it. im looking into the Octo. 150 int. maybe the 200.

