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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142,101
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1,947,045
Threads
142,101
Messages
1,947,045

Meet & Greet Forum

New to R2R? Introduce yourself here and tell us a little about yourself and your tank!
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20,491
Messages
541,858
Threads
20,491
Messages
541,858

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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48,532
Messages
525,021
Threads
48,532
Messages
525,021

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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27,431
Messages
385,915
Threads
27,431
Messages
385,915

Reef Hobbyist Experiments and Research Forum

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.
Threads
252
Messages
5,126
Threads
252
Messages
5,126
Threads
761
Messages
7,640

Aquarium Nutrition

Discuss the nutrition aspects of feeding fish, coral and inverts to keep them healthy and thriving.
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2,963
Messages
32,501
Threads
2,963
Messages
32,501

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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29,027
Messages
217,593
Threads
29,027
Messages
217,593

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!
Threads
3,522
Messages
40,851
Threads
3,522
Messages
40,851

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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13,508
Messages
198,283
Threads
13,508
Messages
198,283

R2R Secret Santa 2024

Threads
3
Messages
88
Threads
3
Messages
88

DO YOU USE A PAR METER WHEN PLACING NEW CORAL IN YOUR TANK?

  • Yes! I think it's important for the longterm health/growth of my coral.

    Votes: 5 7.1%
  • Yes, but I don't find that it is necessary all the time.

    Votes: 16 22.9%
  • Not currently, but I would like to.

    Votes: 31 44.3%
  • No. I don't measure PAR and my corals are still healthy/growing.

    Votes: 14 20.0%
  • Other (please explain).

    Votes: 4 5.7%
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