New tank 3 weeks old. OK so I decided after a week of having my LR in the tank to do a maintanance cleaning the Rena XP2 and flush things with top water and I did not replace the microfiltration pad because i did not have one. Withing a few hours things started looking dark orange to rust brown. This moring I added about 5 G of new saltware (coralife) and check the filter again just in case was not working, but now the tank looked ever worst than yesterday. See attached pictures. let me know ...