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      This is our general discussion forum. If you're not sure where to post, feel free to post here. It covers topics about about tanks, stands, sumps, refugiums, salt, substrate, liverock, disasters, new to reefing, propagation setups, etc.

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      Threads: 1,875 --  Posts: 19,170  -- 49: Viewing

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      Discussion about Controllers, Pumps, Lights, Heaters, Skimmers, and other reefkeeping equipment.

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      Threads: 1,349 --  Posts: 11,420  -- 33: Viewing

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      Discussions about ammonia, alkalinity, calcium, low nutrient systems, nitrates, pH, trace elements, and other chemistry related topics.

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      Threads: 303 --  Posts: 3,337  -- 13: Viewing

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      Member Projects/Mods/Fabrications/Tools and Techniques. Full build threads for reefs should be posted in Member Reefs.

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      Threads: 289 --  Posts: 3,281  -- 17: Viewing

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      Did you find something you have no idea what it is? Post a photo or two and description and let's try to figure it out.

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      Threads: 337 --  Posts: 2,732  -- 14: Viewing

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      Share your feedback on reef-related products.

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      Threads: 117 --  Posts: 883  -- 3: Viewing

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      A forum for members to showoff and document progress.

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      Threads: 443 --  Posts: 17,517  -- 31: Viewing

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      A discussion forum for large polyp stoney corals including Euphyllia,, Welsophillia, Cynarina, etc.

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      Threads: 262 --  Posts: 2,203  -- 7: Viewing

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      Discuss gorgonians and non-photosynthetic corals such as tubastrea, dendrophyllia, chili coral, sponges, etc. in this forum.

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      Threads: 36 --  Posts: 443  -- 2: Viewing

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      Discussion forum for small polyp stoney corals, including acropora, millepora, montipora, pocillopora, etc.

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      Threads: 190 --  Posts: 1,595  -- 8: Viewing

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      A forum to discuss octocorals, mushrooms, etc.

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      Threads: 154 --  Posts: 1,286  -- 8: Viewing

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      A forum to discuss zoanthids and palys.

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      Threads: 221 --  Posts: 3,410  -- 11: Viewing

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      Show off your coral and find your next frag.

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      Threads: 451 --  Posts: 1,680  -- 13: Viewing

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      Reef-safe fish, non-reef fish, diseases and treatment, seahorses, pipefish, and fish breeding can be discussed here.

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      Threads: 798 --  Posts: 7,244  -- 28: Viewing

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      Show off your fish and find the next fish for your reef aquarium.

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      Threads: 166 --  Posts: 537  -- 7: Viewing

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      Anemones, clams, crabs, urchins, starfish, macroalgae, pods, shrimp, snails, mollusks, and worms...basically if it moves and isn't a fish, it probably can be discussed here.

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      Threads: 616 --  Posts: 4,440  -- 12: Viewing

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      The CR repository to show off, identify and find inverts.

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      Threads: 86 --  Posts: 325  -- 5: Viewing

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      This is a forum to document breeding efforts. This project is a collaboration with the Marine Breeding Initiative

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      Threads: 27 --  Posts: 507  -- 1: Viewing

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      Buy, sell and trade reef and marine livestock in our reefkeeping classifieds.

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      Threads: 814 --  Posts: 4,549  -- 11: Viewing

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      Buy, sell and trade reef and marine equipment and other drygoods in our reefkeeping classifieds.

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      Threads: 1,021 --  Posts: 4,498  -- 17: Viewing

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      Looking for something? Why not post it here? Sponsors and members are encouraged to reply.

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      Threads: 704 --  Posts: 2,253  -- 14: Viewing

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      A forum for the free exchange of corals among CaptiveReefs' members.

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      Threads: 37 --  Posts: 819  -- 8: Viewing

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      The place to look for new features and other CR information.

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      Threads: 205 --  Posts: 2,081  -- 6: Viewing

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      Post your reefkeeping events and stay current! Club meetings, conferences, and swaps and other special events are among the items you'll find posted here.

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      Threads: 334 --  Posts: 7,050  -- 27: Viewing

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      Check out our contests! We try to always have several running and vary them to provide opportunities for every member to have a chance to win some great prizes donated by our sponsors.

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      Threads: 276 --  Posts: 9,657  -- 25: Viewing

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      Got a club, get on our list!

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      Threads: 139 --  Posts: 1,290  -- 11: Viewing

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    If you are interested in learning about reefkeeping or have a problem with your reef, our reefkeeping community is here to help. Feel free to ask a question or search our site. We have lots of experienced reefkeepers that are willing to provide free reefkeeping advice!

    Besides being a great resource for all levels of reef aquarium hobbyists, CaptiveReefs is a social experience that will enhance your enjoyment of reefkeeping. CaptiveReefs is committed to connecting reefkeepers with the support and information they need to grow beautiful coral reef aquariums.

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