Feb 24, 2013 #1 Lostpizza Reefing newb I put my live rock in about 4 days ago! This stuff just appeared anyone know what it is?
Feb 24, 2013 #4 Lostpizza Reefing newb It started out looking like this and 4 days later started growing this! My tank has not cycled yet! Attachments image.webp 62.9 KB · Views: 406