walvis New member Jan 20, 2013 #1 I'm having brown algae growing on tips of only some of my acro's Any ID what cause this?
scar79 Member Jan 20, 2013 #2 Any alkalinity swings recently? Alk burn will cause the tips to die and brown algae will then grow on the dead tips.
Any alkalinity swings recently? Alk burn will cause the tips to die and brown algae will then grow on the dead tips.