Has anyone ever used this before? What results did you have? I did some googling and found a patent from 2009 claiming the below for the active ingredient.
" Therapeutic and prophylactic treatments of aquatic species and aquatic diseases through the controlled introduction of a heterocyclic N-halamine into an aquatic habitat."
" Therapeutic and prophylactic treatments of aquatic species and aquatic diseases through the controlled introduction of a heterocyclic N-halamine into an aquatic habitat."



