"James Ervin" wrote in message
...

What do those of you keeping shrimp do for them other than be sure the
kH and gH are above the low end? I have heard mention of adding
iodine or other supplements. I want to add some shrimp, but want them
to thrive.

Try not to use potassium chloride for supplementing potassium. Some people
have reported shrimp deaths with KCl in the water. Although harmful effects
of KCl on shrimp have never been determined conclusively, I would stay on
the safe side and use K2SO4.
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Alex R