I used 4oz/30g to kill off massive staghorn. I didn't loose any thing in that tank
(emerald eye rasboras, otos, SAE, cherry shrimp (that I could tell), amano shrimp (that I could tell), rams horn (that I could tell), crypt lucens, crypt retrospiralis, marsilea minuta).
(emerald eye rasboras, otos, SAE, cherry shrimp (that I could tell), amano shrimp (that I could tell), rams horn (that I could tell), crypt lucens, crypt retrospiralis, marsilea minuta).