So I use fish benazole to kill my hydra thinking it was going to be safe for my shrimp. I used 250mg for two tanks. 100mg in my blue diamond tank and 150mg in my 20g cbs/oebt/tb tank. The neo tank was fine no deaths at all. However I noticed deaths right away after using it in my tb tank. After the fact I started doing some reading and asking around and found out that fish benazole can be very deadly to the cards where the neos are more hardy and will have a greater chance to survive. Not only d