My tank

Thank you!
Last water value NO3-20ppm, PO4-1,5ppm, Fe-0,5ppm, GH-4, KH-3, Ca-20ppm, CO2-40ppm, Ph-6.
 
My tank...[video=youtube;jEZT7B1zOKE]http://www.youtube.com/watch?v=jEZT7B1zOKE[/video]
 
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