W WandaEm New Member Apr 22, 2019 #1 Tank is 15 months old. Live rock. Never had these before. There are a couple dozen in my 250 gal tank. Any help is appreciated. Attachments ACCF3AF8-E860-4E1B-9D4C-71DF8F87F468.jpeg 978.8 KB Views: 1,624
Tank is 15 months old. Live rock. Never had these before. There are a couple dozen in my 250 gal tank. Any help is appreciated.
