alright so about a month ago i put sand in my 60 gallon tank and it worked out fine. but today i woke up to very cloudy waterand then when i got home from school it was worse to the point were u could olny see the fish when the byt the class. i found this video is this the case or not? or is it the sand?
http://www.youtube.com/watch?v=GYcOjfR0fZU?
http://www.youtube.com/watch?v=GYcOjfR0fZU?
