"Gold_fish" wrote in message
.. .

I had 13 lovely gold fish 3 weeks ago and am only left with 4. They one
by one started to lay at the bottom of the tank. I then seperated the
sick one to isolation where they began to gasp for air. (look like) Not
long after it would die. This is very sudden and is killing all my fish
one by one. can anyone help me please.

Naomi,

First things first...you stated the fish look like they are gasping. This is
a typical symptom of a lack of dissolved oxygen in your water. 7-9ppm is
adequate, but 10-14ppm is better. At 3-5ppm, fish will begin suffering and
dieing. If I were you, I'd start aerating the water with a bubbler or
manipulate your filter return to splash a bit.

Now that we are aerating, what are your water parameters? Have you tested
the water for ammonia? Do the fish have any obvious damage? Did you do a
recent water change without fixing any chlorine or chloramines in the water?


--
BV
Webporgmaster of iheartmypond.com
Check out the IHMP forums, ihmp.net/phpbb
I'll be leaning on the bus stop post.