i may be wrong, but i thought the PRIME bottle has a thing on there saying you cn ue upto 4x the reccomended dose if you nee to remove heavy chlorine or to detoxify ammonia
but as everyone else has said, of coarse too much can be bad. too much of any chemical will kill anything. the thing is exactly how much that threshhold is, which most of us dont want to find out.
but as everyone else has said, of coarse too much can be bad. too much of any chemical will kill anything. the thing is exactly how much that threshhold is, which most of us dont want to find out.