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r/Reef

6,782 subscribers
A sub focused on coral reefs and restoration, coral aquaculture, and saltwater aquariums.

Notice: This subreddit is not actively monitored, so the posts here are only a small subset of what exists on reddit.

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Question
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to r/Reef by Friendly-Maximum3340
5 days ago
Preview thumbnail for Any idea what kind of coral this is image
Any idea what kind of coral this is
to r/Reef by Born_Ear_4033
6 months ago
Preview thumbnail for Paraguard and ich image
Paraguard and ich
to r/Reef by Born_Ear_4033
6 months ago
Preview thumbnail for 24 gallon cube . About a year into having salt water . Anyone educated in RO water ? I have a question . image
24 gallon cube . About a year into having salt water . Anyone educated in RO water ? I have a question .
to r/Reef by DrunkenMonkey666
5 months ago
Preview thumbnail for What’s sticking out my lil toadstool frag? image
What’s sticking out my lil toadstool frag?
Question
to r/Reef by DrunkenMonkey666
5 months ago
Preview thumbnail for New biocube skimmer. Have to empty out collection cup every 4-6 hours. Only been running 2 days. Am I doing anything wrong? image
New biocube skimmer. Have to empty out collection cup every 4-6 hours. Only been running 2 days. Am I doing anything wrong?
Question
to r/Reef by DrunkenMonkey666
5 months ago
Preview thumbnail for ID please image
ID please
Question
to r/Reef by devsthirdeye
1 year ago
Preview thumbnail for Anyone know the specific coral this is? Acan, Favites, maybe??? image
Anyone know the specific coral this is? Acan, Favites, maybe???
to r/Reef by devsthirdeye
1 year ago
Preview thumbnail for Sponges is my reef? These white what seems to be [sponges] are growing quickly and spreading about my reef tank? Anyone have any more info on if they are a pest sponge or what?? Parameters are all spot on except had a bit of a nitrate spike up to 15ppm But everything still looks very healthy. image
Sponges is my reef? These white what seems to be [sponges] are growing quickly and spreading about my reef tank? Anyone have any more info on if they are a pest sponge or what?? Parameters are all spot on except had a bit of a nitrate spike up to 15ppm But everything still looks very healthy.
in sponges