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View Full Version : 10gal starter tank,1 GF, question re; charcoal


katz79
October 8th 04, 07:18 PM
I have one goldfish now about 11 cm or 4+inches. I've had him since he
was 1 inch long. Just moved him to a 10 gal tank from a 1½ gal tank.
Well,
he's pretty happy with his new digs and he looks like he's getting
bigger each time I look over there at him! (plenty of elbow er, fin
room now :)
My question is, since he's the only guy in this tank, how often do I
really need to change the Aqua-Tech EZ-Change filter?
Once a week seems too often to me if I change my 20% water each week.
I remember a long time ago,
I used to put my own charcoal into a mesh bag and put that in the
power filter.
Thanks for the help.