Good to clarify it isn’t a cleaner. I noticed right away - that there were like 3 varients of the chloroquine, so I figured these people who are dying got the wrong one. If they did use an aquarium cleaner then they deserve the outcome - I always read the bottle for warnings after accidentally following an ammonia based cleaner with a bleach based one - and almost knocked myself out. Now I just stay with one brand and one kind and leave ammonia only to the kitchen sink anymore.