That's an excellent point. However, it seems that people treating their fish with it are also looking for >95% pure chloroquine.[0] But still, fish aren't peop

That's an excellent point. However, it seems that people treating their fish with it are also looking for >95% pure chloroquine.[0] But still, fish aren't people. So using anything except pharmaceutical grade is dangerous. 0) https://www.reef2reef.com/threads/chloroquine-phosphate.192309/ https://www.reef2reef.com/threads/chloroquine-phosphate.1923...