I have a 90 gal Reef with 20 gal sump. Marineland 300 protein skimmer, lighting is 8 54watt T5's. Tank has been up and running for over a year and half. I keep Softies, SPS, LPS and all is happy and healthy.
Ph 8.1
Ammonia 0
Nitrite 0
Nitrate 5 this is where my tank stays and everyone has always...