So i went to my LFS i was having a big problem, tank meltdown, i got ick i turned temp up put a lil med it, and i woke up the next day, the fish with ich are fine but another fish died, and like 15 min later one died, like 2 hours later another died, and i had to put one out cuz he got really peat up he was missing a eye it was sad. so i bugg out i do my own water test, and nirites and ammo are high nitires .50 ammo 1.. so i take some water to the LFS and they test, the guy gave me bio spira and told me i will have to pay if no fish die in a week..i had one fish looking bad before and after the fish store..my sister said he was looking better but i wassnt around... now ive heard from some people or sites you cant use this wit ammo, and other dont say anything...anyone have any clues if this will help.