Extreme hot weather makes fishes die?

[wei_yuan86]

i went to the fish shop i always go to and the uncle told me to add yellow powder and anti chlorine as well. guess that is all that i can do at the moment. so far no more new death as of ytd.

[ESP]

Dissolved Oxygen.

http://en.wikipedia.org/wiki/Oxygen_saturation
http://www.sera.de/index.php?id=323&L=1

Originally Posted by wei_yuan86

sorry bro but wat's DO? did a check already the water parameters within acceptable lvl. dont know what is the exact problem also.. majority of the fishes that died are dwarf honey gourami.