T Thereefaddict New member Jun 14, 2025 #1 Joined Feb 22, 2018 Messages 37 Likes 39 Points 1 Location Mission Viejo Jun 14, 2025 #1 What do you see on the back arch?
T Thereefaddict New member Jun 14, 2025 #2 Joined Feb 22, 2018 Messages 37 Likes 39 Points 1 Location Mission Viejo Jun 14, 2025 #2 Zoom in on the photo and give me a gut instinct of what you think it is. Don’t ask to rub it because it’s a debate. Looking for gut reactions.
Zoom in on the photo and give me a gut instinct of what you think it is. Don’t ask to rub it because it’s a debate. Looking for gut reactions.
bluemon 15+ years in the hobby Jun 14, 2025 #3 Joined May 10, 2012 Messages 144 Likes 85 Points 3 Location Irvine Jun 14, 2025 #3 The cyano?
Tangerine Speedo New member Jun 14, 2025 #4 Joined Dec 31, 2023 Messages 214 Likes 176 Points 0 Location San Pedro Jun 14, 2025 #4 It also could be a hard red encrusting algae. If it doesn’t scrub off, that's what it is. It can go away as the tank matures.
It also could be a hard red encrusting algae. If it doesn’t scrub off, that's what it is. It can go away as the tank matures.
Speaker73 Premium Member Supporter Jun 14, 2025 #5 Joined May 26, 2012 Messages 1,286 Likes 89 Points 48 Location Los Angeles Jun 14, 2025 #5 Looks like cyano to me too Sent from my SM-S918U using Tapatalk
Jimbo327 Spam Stopper Staff member Jun 14, 2025 #6 Joined Oct 2, 2007 Messages 1,935 Likes 1,740 Points 113 Location Orange My Tank Build Jun 14, 2025 #6 I'm guessing cyano as well.
Sold4JC Reefer Jun 15, 2025 #7 Joined Oct 19, 2007 Messages 396 Likes 311 Points 8 Location Hesperia My Tank Build Jun 15, 2025 #7 I'm going with hard red encrusting algae because the sand bed looks good, and I'm guessing you have tried to blow it off the rock with no success.
I'm going with hard red encrusting algae because the sand bed looks good, and I'm guessing you have tried to blow it off the rock with no success.
joseserrano Member 2020 Contributor Jun 15, 2025 #8 Joined Nov 6, 2013 Messages 6,017 Likes 2,115 Points 83 Location Santa Ana/Tustin Jun 15, 2025 #8 Naso tangs eat that algae
N N2SWIMN Member Jun 15, 2025 #9 Joined Jan 31, 2008 Messages 341 Likes 30 Points 16 Location Whittier Jun 15, 2025 #9 Cyano
R Research Monkey New member Jun 16, 2025 #10 Joined Feb 20, 2021 Messages 111 Likes 25 Points 3 Location Tustin, CA Jun 16, 2025 #10 My votes for some type of algae. I've had cyano and its always everywhere and not isolated to just 1 piece of rock work.
My votes for some type of algae. I've had cyano and its always everywhere and not isolated to just 1 piece of rock work.
five.five-six Member 2020 Philanthropist Jun 16, 2025 #11 Joined Mar 6, 2008 Messages 2,429 Likes 1,384 Points 83 Location Corona Ca Jun 16, 2025 #11 I see a bottle of chemiclean in your BRS cart.
