Articles

  1. Featured

    The Blobfish: The World's Ugliest Fish?

    An article on the unusual blobfish found at extreme depths in the ocean. Probably not a fish for your reef tank, but interesting nonetheless.
  2. Featured

    Build a 100-Watt Passively Cooled LED Light Cannon for Under $200

    Tim Rightnour is going to light up your life with a DIY LED light cannon. With his detailed instructions and photos, you can do it for under $200. Amazing.
  3. Featured

    Power Quality and Surge Protection

    An article explaining in detail the facts and myths of power quality and surge protection and how to protect your home and your aquarium.
  4. Featured

    WHAT IF I TOLD YOU... Ammonia was causing your algae problems?

    An easy-to-follow algae outbreak control strategy that can help you resposibly eliminate your algae outbreak.
  5. Featured

    *** Watch 2 Win Giveaway! Win a New Aqueon Nano Tank Setup from SaltwaterAquarium.com ***

    Here's another great giveaway brought to you by @SaltwaterAq and R2R!! One lucky winner is going to walk away with a brand new Aqueon 20 Gallon Beginner Saltwater Aquarium Kit!
  6. Featured

    15 Steps to Starting a Saltwater Aquarium: The Lasse Method

    Read about one man's philosophy of and instructions for setting up a saltwater tank.
  7. Featured

    Using Ground Probes in Aquariums

    Why everyone with a reef tank should have a ground probe.
  8. Featured

    Shellfish Poisoning Syndromes Part 2

    Part 2 of the Shellfish Poisoning Syndromes article.
  9. Featured

    Shellfish Poisoning Syndromes Part 1

    Read about the most common Shellfish Poisoning Syndromes, and how and why we get sick from eating shellfish.
  10. Featured

    February 2019 R2R Reef of the Month - Sever10's 900-Liter Reef

    February, 2019, Reef of the Month belongs to @sever10.
  11. Snorkeling in the Florida Keys

    An introduction to snorkeling in the Florida Keys written by someone who has been doing it for years.
  12. Where Does Your Tank Receive More Light?

    An article about how we perceive light in our aquariums and why it's better not to guess on light intensity.
  13. Offshore Drilling Rigs and Artificial Reefs

    A new study by researchers at University of California at Santa Barbara discusses the science and practical aspects of turning offshore drilling rigs into permanent artificial reefs. Reef2Reef looks at the issue.
  14. Featured

    Cartoon Caption Contest #3

    Cartoon Caption Contest #3. Have some laughs with us! Join the forum and play! Win prizes!
  15. Profile of a Reef Aquarist (#3)

    Read up on one of our forum members, @ca1ore, who has had saltwater aquariums for over 30 years. He talks about his successes, failures, and philosophy of reefkeeping.
  16. A Tour of the Class, Cephalopoda

    A brief look at members of the class, Cephalopoda, including the squid, octopus, and nautilus.
  17. Featured

    >>> Light Up Your Reef Giveaway by Noopsyche and R2R!! <<<

    I don't know if you've been following @noopsyche and their brand new K7 ProII reef light, but this one is making waves already in the reef community! You can check out @Dana Riddle's testing of the Noopsyche K7 ProII HERE. And thanks to Noopsyche and R2R you can own one FOR FREE!
  18. Reefkeeping: Patience or Persistence or Something Else?

    An essay from one of our very experienced reef aquarists on what it takes to succeed in this hobby.
  19. The Curing Live Rock Bible and FAQ

    Here is a complete guide to everything related to curing live rock.
  20. Featured

    *** It's the LRS SWAGOLICIOUS GIVEAWAY!! ***

    Larry and the LRS crew are teaming up with R2R for another great giveaway with swag for you and delicious LRS food for your reef! Jump into the fun by entering below! It's free and easy! One winner will be selected to receive: an LRS fleece, 6 packs of your choice of LRS frozen food, an LRS thermal cup, and One (very nice and hard to get) 2019 calendar from Aquarium Factory Blue Harbor in Osaka, Japan!
  21. Automatic Water Change #1

    Following our recent articles on changing water, here's one aquarist's method of doing automatic water changes.
  22. Fragging Zoanthids

    Learn how to frag zoanthids safely and effectively.
  23. Book Review--What a Fish Knows: The Inner Lives of Our Underwater Cousins

    Here is a book review of Jonathan Balcombe's book, What a Fish Knows: The Inner Lives of Our Underwater Cousins.
  24. Beginner Series #2: How and Why Do Water Changes Work? What Happens If They Don't Work?

    This is the second in our Beginner Series by Dr. Greg Gdowski. Greg is going to explain the misconceptions about water changes and when dosing becomes appropriate for your tank.
  25. Tips for Getting the Most From the Reef2Reef Forum

    An article for beginners to the Reef2Reef discussion forum and how to make the most of your stay here.
  26. Breeding the Banggai Cardinalfish

    An interview with @AlmondKC from our forum who is successfully breeding Banggai cardinals as a new breeder.
  27. Building Your Own Algal Turf Scrubber (ATS)

    Instructions on how to build your own Algal Turf Scrubber or ATS.
  28. Tunze Calcium Kit with Osmolator GIVEAWAY! This one is easy!

    Tunze Osmolator and Calcium Dispenser R2R Giveaway! Sponsored by =-infoxunter036']Tunze.com and REEF2REEF.com
  29. January 2019 Reef of the Month: Michael J. Cuttone

    Welcome to the January 2019 Reef of the Month.
  30. Estimating Light Intensity at Various Depths in an Aquarium

    A new article by Dana Riddle on Estimating Light Intensity at Various Depths in an Aquarium.
  31. Beginner Series #1: What Is Your Actual Water Volume?

    This is the first part of our new Beginner Series on the How, What, and Why of Reef Aquariums. #1 is "What Is Your Actual Water Volume?"
  32. Water Change FAQ

    A water change FAQ for beginners new to saltwater aquariums.
  33. Profile of a Marine Biologist: Dr. David Obura from Kenya

    Here is a short profile of a Kenyan marine biologist, Dr. David Obura.
  34. Genicanthus Angels: The True Reef-Safe Angels, Part 3

    Here is Part 3, and the conclusion of Fadi Abu Tahoun's series on the Genicanthus angels.
  35. Why a fallow period will sometimes fail

    Marine ich, Cryptocaryon irritans, can be hard to get rid of. Here's what to do if your fallow period fails.
  36. (Almost) Everything You Always Wanted to Know About Glass But Were Afraid to Ask

    A discussion of many aspects of glass, in general, from ancient times to the present, including a section on aquarium glass.
  37. Size and Shape of Your Aquarium: Things to Consider

    For beginners who haven't bought an aquarium yet, here are some things to think about regarding the shape and size of your tank.
  38. Acro Al and Tridacna Clams or A Clam Is a Clam Is a Clam

    Read about Acro Al, who is breeding Tridacna clams at home, in Australia.
  39. The Other Way to Run a Reef Tank (no Quarantine)

    The other way to run a reef tank (No Quarantine) I was asked by my friend Humblefish to start a thread on my practices of running a tank with no quarantine, hospital tanks, medications, dipping or almost anything else. It is "not" just to take a fish from a store and drop it in your reef because that fish will probably die. You may not see many spots on fish in a store because just about all stores use medications in their tanks to suppress the parasites. They have to because they get new...
  40. Genicanthus Angels: The True Reef-Safe Angels, Part 2

    Part 2 of Genicanthus Angels: The True Reef-Safe Angels.
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