Jul 10, 2022 #1 darrow0903 Community Member View Badges Joined Dec 4, 2021 Messages 46 Reaction score 29 Location Toronto Rating - 0% 0 0 0 I still get cyano on my sand bed but what is the purple stuff on the bank of my tank? thanks!
Jul 10, 2022 #2 fish farmer 2500 Club Member View Badges Rock Pool Reef Keepers My Tank Thread Joined Nov 13, 2017 Messages 3,879 Reaction score 5,680 Location Brandon, VT Rating - 0% 0 0 0 Coralline algae. Upvote 0
Jul 10, 2022 #3 billyocean 10K Club member View Badges Photo of the Month Joined Feb 10, 2018 Messages 33,813 Reaction score 58,217 Location Atlanta Rating - 0% 0 0 0 Coralline...you can scrape it off if you want Upvote 0
