General Aquarium Discussion

We're talking about aquariums, reef tanks, reef chemistry, do it yourself projects, aquarium equipment, and much more.

Reef Aquarium Discussion

Discuss all saltwater and reef aquarium related topics here. Have a question or general aquaria thought? Share it here.
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919.4K
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New to Saltwater & Reef Aquariums? Post Here

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!
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316.8K
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Reef Chemistry by Randy Holmes-Farley

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.
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207K
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Aquarium Nutrition

Discuss the nutrition aspects of feeding fish, coral and inverts to keep them healthy and thriving.
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15.3K
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Hitchhiker & Critter ID

Need help figuring out what something is? Post a thread with a photo! ID your hitchhikers and critters here!
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101K
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Aquascape Discussion

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!
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Do It Yourself (DIY)

DIY projects can save money and also be fun and interesting. Share your projects and learn from many others here.
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131.5K
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131.5K

Meet & Greet Forum

New to R2R? Introduce yourself here and tell us a little about yourself and your tank!
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275.9K
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Lounge

This forum is for off topic discussions.
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Woud you rather start a tank with dry rock or live rock from the ocean?

  • Dry Rock

    Votes: 180 40.9%
  • Live Rock

    Votes: 151 34.3%
  • Combo of both

    Votes: 100 22.7%
  • Other (please explain)

    Votes: 9 2.0%
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