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

Tank Emergency

This forum is reserved for true emergency aquarium situations. Post here if you need help NOW!
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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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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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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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Aquarium Nutrition

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

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

This forum is for off topic discussions.
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R2R Secret Santa 2019

Welcome to our Secret Santa Holiday Forum for 2019!!
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Equipment Discussion for Saltwater and Reef Aquari Equipment, Lighting, Hardware, Aquarium Filtration, Controllers, Skimmers, Powerheads, etc.

General Equipment, Hardware, Filtration

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.
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Aquarium Lighting By Dana Riddle

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

This forum is dedicated to all Aquarium Controller Discussion. Share your experience as well as learn from others.
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Saltwater Aquarium Fish Forum This is the place to talk about saltwater fish, anemones, seahorses, pipefish, fish breeding, and more!

Fish Discussion

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.
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Fish Disease Treatment and Diagnosis

A forum for discussing treatment and diagnosing saltwater reef fish.
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Fish Breeding Forum

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!
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Anemone & Clownfish Discussion

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.
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Predatory Fish Discussion

This forum is for the discussion of predatory fish.
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Seahorse/Pipefish

Seahorse and Pipefish Discussion.
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672
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672
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Coral Discussion Whether you like the colored sticks or the soft flowing coral this is the place! Talk about Sps, Lps, Zoas, Soft Coral, Mushrooms and more.

General SPS Discussion

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

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.
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Soft Coral Discussion

Discuss and post your questions about all Soft corals such as Toadstool, Kenya Tree, Mushrooms, Cabbage, Spaghetti, and all other soft corals.
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Zoa Discussion (CLUB ZOA)

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)
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Propagation, Packing, and Shipping Discussion

Talk about propagation techniques, show of your prop setups, as well as packing tutorials and shipping advice.
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Algae Discussion We're talking about all kinds of algae here! If you love to grow macros, this is the place! Got a problem with nuisance algae? Post up here!

Nuisance Algae (including bacteria)

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.
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  • KimG

Macroalgae (all types of desirable algae)

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!
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703
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6.6K
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Saltwater Invert Discussion We talk about all the cool invert critters here! Crabs, Clams, Octopus, Snails, we got it all!

Clams

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

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.
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Mantis Shrimp

A place to talk about everything Mantis Shrimp
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Member's Aquarium Discussion Please share your aquarium set ups here! Whether you have nano aquarium, mid-size box of glass, or an indoor swimming pool for fish this is the place to be.

Member Tanks

Show off your tank and document your progress.
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Large Aquariums 180g - 399g

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!
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Monster Tanks 400g+

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

Got a nano? Well here is a place for all you nano lovers to hang!
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All In One Aquariums (AIO)

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.
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Cube Aquariums

For all you cube keepers!
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Aquarium Photography, Video, and more discussion. This is the place to share and drool over some of the best aquarium videos and pictures in the hobby. We're also talking about the TV series TANKED!

Photography Forum

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

This forum is for reef video discussions, talk about equipment, techniques, or just show off.
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Buy, Sell, Trade Coral, Fish, and Equipment If you're looking for a new fish, sweet piece of coral, or fancy gadget this is the place. Buy, Sell, and Trade here!

Sponsor Livestock & Drygood Sales

Check this forum out for direct sales from our Reef2Reef Sponsors.
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SPONSOR LIVESTOCK AUCTIONS

This forum is for R2R Sponsor auctions only.
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Selling Forum (livestock)

This forum is for selling coral, fish, and anything else that lives in our tanks.
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Selling Forum (dry goods)

Please use this forum for any hardware or dry good sales.
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3D Printed & Handmade Aquarium Items

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Trading Forum (livestock)

This forum is for trading coral, fish, and anything else that lives in our tanks.
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Trading Forum (dry goods)

Please use this forum for trading any hardware or dry goods.
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Wanted To Buy (livestock and dry goods)

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

Not sure how to price something you're thinking about selling? Here's a place to get some opinions.
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270
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Group Buys

Post here if you are setting up group buy or are interested in participating in a group buy.
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Seller / Trader Feedback

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

Lets hear your feedback from any reef-related vendors.
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R2R Forum Interest Everything that pertains to the R2R community and site is here. Forum feedback, giveaways, contest, frag swaps and more!

Announcements

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.
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Forum News / Feedback / Help

Lets hear your comments and suggestions for the website.
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R2R Giveaway and Contest Forum

This is where we will announce all giveaways and contest!
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Reef Aquarium Spotlight

Aquarium Spotlights (Past and Present)
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R2R Spotlight Series

Here we spotlight coral, fish, shipping procedures and more.
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Reef2Reef Tapatalk News

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Reef Trade Shows & Swaps Saltwater Reef Aquarium Trade Shows and Frag Swaps

Reef Related Events and Frag Swaps

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

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Carolina Reef Experience

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Florida Frag Swap: Weston & Tampa

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51
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MACNA

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100
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Reef Dreams

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ReefStock

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Texas Coral Fest

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2
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Local Reef Club Discussion If you would like to start a reef club forum for your area please select the contact us link at the bottom of the page and submit your request.

Local Reef Club Discussion

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.
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Sponsors Check out all of our most awesome sponsors! These reputable vendors have it all! Coral, saltwater fish, equipment, and more, look here first!

Algae Barn

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2.4K
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Among The Reef

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830

Aquaforest

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Aqua Illumination

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AquaNerd

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Aquarium Specialty

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Aqua SD

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Aquatic Life

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ArtFully Acrylic

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ATI Aquaristik

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AVAST Marine

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Battlecorals

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Buckeye Hydro

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Budman's Corals

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58

Bulk Reef Supply

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BSA Corals

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Cali Kid Corals

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55
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55
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2.4K

Champion Lighting & Supply

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14
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84
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14
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84

Chemi-pure

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3
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71
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3
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71

Cherry Corals

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985
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98.2K
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985
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98.2K

Clearwater Scrubbers

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7
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63
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7
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63

Copepods.com

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3
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27
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3
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27

CoralFish12g

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27
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248
Threads
27
Messages
248

Coral Frenzy

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22
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262
Threads
22
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262

Cultivated Reef

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58
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770
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58
Messages
770

Custom Reef Creations

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6
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34
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6
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34

CWT Aquatics

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0
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0
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0
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0
None

D-D The Aquarium Solution

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18
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82
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18
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82

EcoTech Marine

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573
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6K
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573
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6K

Elos America

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48
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222
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48
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222

eXact iDip

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16
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16
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120

Fauna Marin

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193
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193
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Fishnreef

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368
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368
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Fishy Bizness

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23
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87
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23
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87
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12
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409

Galactic Coral

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0
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0
None

Geo's Reef

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60
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546
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60
Messages
546

GHL Advanced Technology

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942
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Hanna Instruments

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103
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924
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103
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924

Hidden Treasure Corals

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7
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100
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7
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100

Jason Fox Signature Corals

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241
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241
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Joe Knows Reefs

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283
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283
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43.2K
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0
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None

Kessil

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34
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452
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34
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452

Kolar Labs

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0
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0
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0
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None

Lazys Coral House

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6
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56
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6
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56

Legendary Corals

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188
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3.7K
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188
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LiquaGen

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2
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15
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2
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LiveAquaria

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Living Reef Orlando

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117
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117
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Marco Rocks

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28
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Marine Depot

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8.5K

Mode Aquariums

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8
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106
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8
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106

Motor City Corals

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22
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96
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22
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MR Reefs

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10
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107
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10
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107

Neptune Systems

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775
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9.6K
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775
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Noopsyche

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99
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NY Aquatic

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462
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462
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NYOS® AQUATICS

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23
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113

Octo Aquatics

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38
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Omega Sea

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7
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25
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Orphek

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116
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116
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Pacific East Aquaculture

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Pacific Island Aquatics

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348
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348
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Pieces of the Ocean

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751
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751
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Polyplab

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40
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301
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40
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301

Premium Aquatics

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704
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3K
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3K

Red Sea

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318
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318
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Reef Breeders

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Reef Builders

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Reef Brite

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51
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51

ReefCleaners

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765

Reef Edition Magazine

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7
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32
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Reef Kinetics

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Reef Nutrition

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Reef Raft USA

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@ReefWeeds: Reef-Inspired Art

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17
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771

SALGADO AQUATICS

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36
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230
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36
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230

SaltwaterAquarium.com

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257
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749
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257
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749

Ship Your Aquatics

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2
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52
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2
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52

Simplicity Aquatics

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18
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210
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18
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210

Soggy Tees

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43
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623
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43
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623

SpectraPure

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16
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123
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16
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123

Supreme Reefs

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123
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981

The Alternative Reef

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254
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254
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4.5K

Top Shelf Aquatics

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206
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206
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Triton Applied Reef Bioscience

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875
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Triquatics.com

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59
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59

Tunze

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3.3K
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384
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3.3K

Turbo's Aquatics

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1.1K

Ultimate Corals

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313
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313
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3.5K

Vivid Aquariums

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121
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1.4K
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121
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Vivid Creative Aquatics

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52
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632
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52
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632

Waterbox Aquariums

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144
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The Aquatic Arsenal

Do you believe that a long term benefit of changing out your water is diluting your mistakes?

  • Yes

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  • No

    Votes: 19 13.8%
  • Maybe

    Votes: 26 18.8%
  • Haven't really thought about that

    Votes: 20 14.5%

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