High Nitrates in Goldfish tank. why?

anshuman

Large Fish
Nov 16, 2009
686
0
0
Mumbai India
#21
http://www.youtube.com/watch?v=DU_HaxwaLZQ

You may notice the cabomba's are now bunched up in one corner, because the goldfish were caught in middle when some cabomba was on right corner.

The vid is deceptive, the tank is not that free to swim , right now the only good space is right corner, after the marimo-stump, there is no space at top to swim.

The fishies didnt even move a inch when turning lights on in tank. :D