My tank is 5 mths old only. Mainly, fishes, LPS and mushy. Last mth, i was too tied up with my job to have proper maintainence to the tank. Last week, I realise that all my life rocks and sand bed is covered with red slime alge. Real bad condition. They are dame thick. They came out in a nice piece when i peel them out. After doing some research, I knew that this is red slime alge for sure. I search through my medical box and found a piece of Amoxicillin 250. This is a broad antibiotic which