Stop Killing Copperband Butterflyfish NOW! (Chelmon rostratus)

How do I keep so many copperband butterflyfish alive... Correct feeding is key UK Coral Frags - Support my work on Patreon → Instagram → Facebook → My Salt - Nitrate reduction - Phosphate reduction - Carbon - Alkalinity Supplement - Calcium Supplement - Magnesium Supplement - Trace Elements 1 - Trace Elements 2 - Fish food - Coral food - DIP YOUR CORALS! -