sick koi

[moogie]

i dont know if this is the correct place to beg for help but one of my
koi died 2 days ago and now the pair to it is also dying they just seem
to lie on the bottom of the huge tank,outside with just tiny movements
of frount fins and mouth movements on its side , i am devistated and
ask please for any help before this one dies, the pond is 1000 gal and
is 2-5 ft deep.please try and help




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moogie