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Discuss all saltwater and reef aquarium related topics here. Have a question or general aquaria thought? Share it here.

New to R2R? Introduce yourself here and tell us a little about yourself and your tank!

If you're new to the Saltwater Hobby and have questions please post them here. So you finally decided to take the plunge. The only dumb question is the one you don't ask!

Need some help with the chemistry aspect of your aquarium or have some knowledge you would like to share? Please start a new topic. This forum is moderated by Randy Holmes-Farley.

A place where reef hobbyists can conduct, collaborate on, and discuss experiments and research to benefit reefing. These might include but are not limited to: 1) Microbiology experiments - including cycling, 2) Product experiments., 3) Quarantine experiments., 4. Theories based on new trends in reefing, and 5) other types of research.

Discuss the nutrition aspects of feeding fish, coral and inverts to keep them healthy and thriving.

Need help figuring out what something is? Post a thread with a photo! ID your hitchhikers and critters here!

Aquascaping is as much an art as it is a science. Here's a forum for discussing all things related to aquascapes. Got tips to share? Post them here! Need some help? We're here to help!

DIY projects can save money and also be fun and interesting. Share your projects and learn from many others here.

If you have aquarium equipment questions or ideas this is the place to do it. Discuss aquarium pumps, filters, skimmers, refugiums, reactors, and much more.

Discuss all topics pertaining to aquarium lighting. LED, Metal Halide, T5 etc.

This forum is dedicated to all Aquarium Controller Discussion. Share your experience as well as learn from others.

Discuss all topics related to salt water aquarium fish. Angelfish, Anthias, Basslets, Blennies, Butterflyfish, Clownfish, Damsels, Dottybacks, Eels, Gobies, Jawfish, Lionfish, Pipefish, Puffers, Rays, Seahorse, Tangs, Triggerfish, Wrasse, and more.

A forum for discussing treatment and diagnosing saltwater reef fish.

This is the place to discuss and share about saltwater fish breeding. Got a question or want to talk about your experience? Please join in!

Discuss Ocellaris, Percula, Maroon, Tomato, Cinnamon, Pink Skunk, Clarkii, as well as designer clownfish such as Picasso, Snowcasso, Onyx, Platinum, Snowflake, etc. Also discuss anemones such as Bulb Tip, Long Tentacle, Ritteri, Sebae, Carpet, Tube, and more.

This forum is for the discussion of predatory fish.

Seahorse and Pipefish Discussion.

Discuss and post your questions about all SPS or Small Polyped Stony corals such as Acropora, Montipora, Stylophora, and all other hard corals.

Discuss and post your questions about all LPS or Large Polyped Stony corals such as Acans, Elegance, Doughnut, Candy Cane, Brains, Button, Hammers, Torch, Plate, and all other LPS hard corals.

Discuss and post your questions about all Soft corals such as Toadstool, Kenya Tree, Mushrooms, Cabbage, Spaghetti, and all other soft corals.

Discuss and post your questions about all Zoas, Zoanthid or Colonial Polyp corals and Palys. (Rastas, Candy Apple Reds, Red Hornets, Dart Mauls, Purple Hornets, Nightmares, PPE, Sunny D, Armageddons, Mohawks, and more)

Talk about propagation techniques, show of your prop setups, as well as packing tutorials and shipping advice.

Need help with nuisance algae, cyanobacteria, or dinoflagellates? Maybe you just need an ID of what you have in your tank? This is the section for you.

This is the forum for discussing all types of macros (chaeto, caulerpa, gracilaria, halimeda, or any other kind of macro you can think of)! Need tips for growing or troubleshooting desirable algae? Wanna show off your macroalgae display or refugium? Post here!

Talk about Tridacnid Clams and other Mollusks such as Crocea, Derasa, Maxima, Squamosa, and more.

This is the place to ask questions and to discuss all saltwater marine inverts. Discuss Shrimp, Snails, Starfish, Crabs, Cucumbers, Sea Slugs, Lobsters, Fan Worms, Sponges, Urchins, and more.

A place to talk about everything Mantis Shrimp

Show off your tank and document your progress.

A forum for people interested in keeping large aquariums. This forum is dedicated to water volumes of 180 gallons to 399 gallons. Anything more is a monster tank!

A forum for people interested in keeping the largest aquariums. This forum is dedicated to water volumes of 400 gallons and larger.

Got a nano? Well here is a place for all you nano lovers to hang!

Discuss All In One aquariums like Red Sea, JBJ, Innovative Marine, Coralife, etc. AIO aquariums come with most everything you need to set up a saltwater aquarium in one package.

For all you cube keepers!

This forum is for photography discussions, talk about equipment, techniques, or just show off.

This forum is for reef video discussions, talk about equipment, techniques, or just show off.

Post here if you are looking to buy certain corals or hardware and dry goods.

Post here if you are setting up group buy or are interested in participating in a group buy.

This forum is for leaving feedback from trades or sales with other members.

Lets hear your feedback from any reef-related vendors.

Saving Our Oceans, One Reef at a Time! Conserving Coral Reefs Through Restoration, Research, Eco-Tourism, & Education

Here is the place to post all announcements for aquarium society meetings, reef club activities, frag trades and other local events. This is also the place for all R2R forum info.

Lets hear your comments and suggestions for the website.

Aquarium Spotlights (Past and Present)

Here we spotlight coral, fish, shipping procedures and more.

This forum is for off topic discussions.

Start a topic here if you have a Frag Swap, Club Event, or any general Reef Related Event coming up.

Looking for some locals to share frags and info with? This is the place! Find a local club that meets in your area! If you want to add your club just contact us.

Looking for some locals to share frags and info with? This is the place! Find a local club that meets in your area! If you want to add your club just contact us.