Jan 21, 2022 #1 olavvk Active Member View Badges My Tank Thread Joined Dec 27, 2021 Messages 141 Reaction score 82 Location Barcelona What state or country do you live in Other International Rating - 0% 0 0 0 Hey! Anyone can confirm this on the rock is coraline algae and on the sand is cyano?
Jan 21, 2022 #2 B BroccoliFarmer 10K Club member View Badges Hospitality Award Joined Jan 13, 2021 Messages 11,023 Reaction score 18,785 Location Medford, NJ Rating - 0% 0 0 0 Looks like cyano. the test...scratch it with your fingernail. Comes off easily..cyano. If it is hard and sticks..coraline
Looks like cyano. the test...scratch it with your fingernail. Comes off easily..cyano. If it is hard and sticks..coraline
Jan 21, 2022 #3 OP OP olavvk Active Member View Badges My Tank Thread Joined Dec 27, 2021 Messages 141 Reaction score 82 Location Barcelona What state or country do you live in Other International Rating - 0% 0 0 0 BroccoliFarmer said: Looks like cyano. the test...scratch it with your fingernail. Comes off easily..cyano. If it is hard and sticks..coraline Click to expand... Thanks for your answer, tried it and the red on the rock is not coming off, but on the sand bed yes, so thats clear, thanks!
BroccoliFarmer said: Looks like cyano. the test...scratch it with your fingernail. Comes off easily..cyano. If it is hard and sticks..coraline Click to expand... Thanks for your answer, tried it and the red on the rock is not coming off, but on the sand bed yes, so thats clear, thanks!
Jan 21, 2022 #4 Jekyl GSP is the devil and clowns are bad pets View Badges Hospitality Award Midwest Reefer Fish Medic Joined Jan 15, 2019 Messages 12,484 Reaction score 16,937 Location Michigan Rating - 0% 0 0 0 If coraline you'll see it on the glass and powerheads. Like trying to scrape plaster.
