hello world....been having this water clarity problem on my 180. i had my water tested and there is no problems parameters are all good. I used some water clarifier by tetra and my water looked crystal clear a few days later and its back to cloud city. any one have any suggestions on what I should/could do to get my water clear. Filtration is an fx5 with bio media and carbon. stock is 1ft rtc, 3 green terrors, 1 5 star general, bichir, and 2 convicts. any and all advise is greatly appreciated thanks in advance