ecobalance
lifetaper
recently i had a flagfin angle that suddenly came down withy what looked like velvet,due to my helping a frend ouit by takeing his unwanted fish.when i first noticed it i took the angel outt and made a 1 gallon mixture of tank water and 10 drops of formalin and to drops of [i think its called malchite blue]and put him in it.with in about 2 minuutes he started trying to jump out so i put him back in the tank.The next day when i went to feed him he looked like he could not see the food and was showing sighns of a blind fish.What did i doo