Feb 4, 2015 #1 M mcpeach93 Aquarium Advice Regular Joined Jan 14, 2015 Messages 54 What are these darker spots on this limestone, just did a water change and found this stuff on one of my rocks, is this algae or what? Sent from my Z970 using Aquarium Advice mobile app Attachments 1423085865095.jpg 41.7 KB · Views: 54
What are these darker spots on this limestone, just did a water change and found this stuff on one of my rocks, is this algae or what? Sent from my Z970 using Aquarium Advice mobile app
Feb 4, 2015 #2 Freakgecko91 Aquarium Advice Addict Joined Mar 18, 2012 Messages 4,399 Location Maryland Looks like algae Sent from my iPhone using Aquarium Advice