They pump out some water so the food can come out also their poop. Their have to suck it out with there mouths and the fish are scared of the sucker. Because
it can kill them they suck out the stuff into a bucket then dump it into the sink so they don't have to do it with there hands. After they do that they have to feed them but first they dump more water in because they sucked all of that water out. They need to big buckets because they suck all that water along with the poop. They dip an ammonia test strip in the water to test the level. They have a sheet of paper to write if something happened to the fish, like if one died or if the ammonia levels are wrong.
The salmon caretakers are
refilling the water in this picture.
In this picture, they are testing the ammonia.
It was safe.
She is sucking out the water the get the suction going.
They are sucking out the dirty water but a fish got stuck!
They had to lift it up, let the fish go, and go to another spot.
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