Check to see what has been added to the tap water.

My tap water just has chlorine added to it. For my small aquariums, I don't
add any chemicals either. When I have finished changing the water, I fill
up my container ready for the next change. By the time I use it, all of the
chlorine has disappeared.

This method will work for you too, since 24 hours is long enough for the
chlorine to dissapear.

Jim



Make sure
lonerider wrote in message
...

"Dinky" wrote in message
ink.net...
"tom" wrote in message
m...
I have a 220 gallon native tank, I am changing 4 gallons a day which
works out to about 50 percent monthly. Is this Ok? 2 emperor 400s and
air lifts. I dont add any chemicle, just tap water and a teaspoon of
noniodine salt per gallon. 2 months and everyone is happy.

Tom

The daily dose of chlorine is shortening their lives and stressing them
out.
Larger, less frequent water changes with properly treated water would be
better for the fish.



--

billy
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He might be lucky like me, our town adds nothing to the water other than
lime. Just a little alkaline so my guppies like it.

Larry