awesome! I was able to get an ATO no problems. thanks! few questions i really need help. i have diligently changing my water every 4 days to which i feed my fishes and corals, however my ammonia and my nitrate isn't drastically going down and i'm afraid that my 2 spotcinctus clownfish, firefish, neon dolly back and corals will all die. i really need your help of what to do. i live in nyc apt building so 1. space is very limited 2. i have to buy nutri seawater and ro di water from the local pet store that delivers into my door lobby in which i am not sure why my pH level keeps going down? is it because i have my fans on. since i have an ato reservoir can i mixed my pH buffer there so i don't need to tap it off daily 3. i'm using an API saltwater kit to measure all 4 parameters, ive seen on youtube that they are not reliable ...waaaahhh i am going nuts please assist...i now i ain't like others to spend thousands cause i'm on minimu wage but please assist ...also i have added banggai cardinal and algae blenny and 1 more ocelaris clownfish (got a good deal from another pet store)