LAReefer4Life
Lover of Angelfish
View Badges
Reef Squad
Excellence Award
Reef Tank 365
Article Contributor
Hospitality Award
Los Angeles Aquatics Club
My Tank Thread
I'm sorry you're dealing with this. Did you check the ammonia level and water parameters recently? It does look like bacterial but curious about the water quality.

or 1 teaspoon of baking soda per 5 gallons is generally considered a safe amount. I prefer the buffer personally.

