Hi, all- I pretty new to fishkeeping, not as hard core as some of you seem to be. I have a 20 gal I started Christmas day when my sons gave it to me as a gift. I had no idea it would become such a science experiment, but I love the hobby. I have a blue gourami, a clown platy, a creamsicle lyretail molly, 4 black skirts, 3 flame tetras, 3 cories and 2 ottos. All are happy, tank well cycled, fake plants except for 1. Nitrogen is a bit high (20ppm), everything else normal (at zero). I'm concerned about white cloudiness for about 3 weeks. Only new things are new food, one live plant, and 1 new otto. I also added an additional filter last week, so I now have enough filtration for 50 gals. Should I remove the plant? I do 20% water changes each week, have well water, and do a deep gravel vac at water change time. I rinse the filters in removed tank water and just changed the charcoal media for the first time last week. The cloudiness is frustrating!