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ReefBase is a Marine Fish keeping & Coral Reef Aquarist Community Forum based in the UK. Join ReefBase for help & advice or to contribute your own knowledge & experience of keeping a Marine Coral Reef Aquarium.

Create an account (It's quick & easy)



If you're new to ReefBase, come and introduce yourself.

Last post by ajm83
in Re: New member coming over from freshwater

ReefBase Lounge

General off-topic chat and discussions. Be yourself & join-in.

Last post by ajm83
in Re: No donations


A general board for the discussion of freshwater fish, tanks and freshwater specific equipment, such as CO2 kits, etc.

Last post by ajm83
in Re: siamese fighting fish

Members Tanks

Browse our members' tank threads, view progress and pictures, or create your own thread to track the progress of your own reef aquarium.

Last post by Ratvan
in Re: Mantis Shrimp Manor

Tank of the month

Monthly competitions on member's tanks. Enter pictures of your tank and / or vote on others'.

Last post by Carol
in Re: I know we are new but...

General Reef Keeping

General Reef Discussions

General non-specialised reefkeeping questions & discussions.

Last post by nickko
in Re: Dead Emerald Crab

Beginners Questions

If you're new to the hobby, please ask any questions you have, rather than making the mistakes we've all made.

Last post by ajm83
in Re: Upgrading a tank


All reef chemistry related posts should go in here.

Last post by semiroundel
in Re: Instant Ocean salt problem

Reefing News

Post links or information on any related reefing news.

Last post by Ratvan
in Re: warning - Tropic Marin Pro Reef - bad batch

Stunning Reef Tanks

A collection of the most beautiful reef aquariums from anywhere on the net. Post links and a brief summary of what captivated you most by the tank. Inspiration for us all.

Last post by ajm83
in Re: Stunning soft coral reef tanks


General competitions on member chosen subjects.

Last post by DUSTYBOY272
in Re: Attempting free London Aquarium Tickets


Reefbase ID database

A database of common living things found in our reef tanks

Last post by Animal
in Re: Growing during fallow period

ID needed

Need help identifying something? Post a photo, video, and/or description and we'll do our best to help you out.

Last post by ajm83
in Re: About the size of an asterina. But not one.

Marine Fish

General Marine Fish

A general board for all Marine fish, for Marine Fish identification, and general discussion.

Last post by Mike
in Re: Books

Marine Fish Diseases

A board for threads related to marine fish diseases including; White Spot (Ich), Brooklynellosis (Anemonefish Disease), Marine velvet, black spot, HLLE, Fin Rot, etc. Their diagnosis and treatment.

Last post by ajm83
in Re: Corrie wrasse very swollen belly .

Clownfish & Damselfish

Clownfish and other Damselfish, including Clarkii Clownfish, Common Clownfish (Nemo), Skunk Clownfish, Electric Blue Damselfish, Domino Damselfish are in this category.

Last post by Ratvan
in Re: Clown compatibility

Tangs / Surgeonfish

Discussions regarding Tangs aka Surgeonfish. Fish such as Yellow Tangs, Regal Tangs (Dory), Naso Tangs, Clown Tangs, etc fall into this category.

Last post by Amo Manik
in Re: What's your favourite tang and why?

Angelfish (Large & Dwarf)

For topics about Angelfish & Dwarf Angelfish. For Fish such as the Queen Angelfish, Emperor Angelfish, Coral Beauty & Flame Angel.

Last post by jackmyers200
in Re: My juvenile emperor angel


General Corals

A general board for all Corals & Anemones, for Coral identification, and general discussion.

Last post by Ratvan
in Re: Question

Soft Corals

Soft corals. Corals without a skeleton. These include Leather Corals, Pulsing Xenia, Zoanthids, Mushrooms, etc.

Last post by A1
in Re: Leather Toadstool Changing

LPS Corals

Large polyp stony corals. Any corals with a calcium based skeleton, and large polyps which extend out to completely conceal the skeleton beneath.

Last post by Animal
in Re: Mixing hammers

SPS Corals

Small polyp stony corals. More advanced corals which have calcium based skeletons and small polyps.

Last post by ajm83
in Re: Hirsuta

Azooxanthellate / Non-Photosynthetic Corals

Azooxanthellate or non-photosynthetic corals do not require much if any light to survive. They include Gorgonians and Sun Corals.

Last post by Debbiem
in Re: Whats happening to my sun coral?


Marine Invertebrates

A board for marine reef invertebrates.

Last post by Animal
in Re: No Pom Pom's

Marine Molluscs

Marine gastropod molluscs including; Seahares, Turbo snails, Nassarius snails, and predatory snails such as Sundial snails & some Nudibranchs.

Last post by DUSTYBOY272
in Red Flame Scallop

Marine Crustaceans

Marine Crustaceans as in Porcelain crabs, Mithrax crabs, cleaner shrimps, blood shrimps, boxer shrimps, etc.

Last post by HK_Fuey
in Re: Identification needed.

Marine Hardware


Discussions surrounding marine & reef lighting, Metal Halides, CFLs, T5s or LEDs.

Last post by ajm83
in Re: Fluval Sea 1.0

Pumps and powerheads

Pumps for returns/skimmers/reactors/etc. & powerheads/wavemakers/etc. You get the idea ;-)

Last post by ajm83
in Re: RS250 Flow Tweaking


A board for more specialised equipment such as dosing pumps, kalkwasser stirrers, calcium reactors, etc.

Last post by ajm83
in Re: Power Back Ups


Marine Hardware Do-It-Yourself. A board containing topics about building & customising your own equipment.

Last post by hixy
in Re: Sumping a lido for cheap.


Discussions about Filtration, protein skimmers, uv sterilisation, ozone usage, nitrate reactors, biopellets, etc.

Last post by fishface
in Re: Best filter for tiny tank

Reef Photography


Show off your pictures of your reef.

Last post by DUSTYBOY272
in Re: Some of my favourite photos from my first year in th...

Photography Advice & Tips

If you need help getting good photos of your marine tank, fish or corals. Ask for advice here, please include camera model, as it helps to understand what features are available to you.

Last post by Psychotic Madman
in Colour lens for dslr


Free to a good home

A board to advertise things you're giving away to fellow reefers.

Last post by Psychotic Madman
in Re: Asterina Starfish

For sale

A board to advertise your reefing equipment and livestock for sale.

Last post by geordie
in Re: Red sea reefer + 2x 26 AI Hydra lights

Swap Shop

A swap shop. A place for ReefBase members to offer frags, Corals, Zoanthids, Fish or equipment in exchange for other items.

Last post by TheJag77
in Re: SP3000 dosing pump


A request board for marine fish, corals or equipment.

Last post by Ratvan
in Re: Macroalagae

Reefing Tools & Articles


A board for how-to guides on any area of the reefkeeping hobby.

Last post by T-Bone Tyrone
in Re: How to wire an STC1000 temperature controller with 2...


A board for polls to appear on homepage

Last post by T-Bone Tyrone
in Re: How often do you feed?


Dosing calculators, tank size calculators, etc.

Last post by badger
in Re: Aquatic log


Useful articles on the reefkeeping hobby.

Last post by ScapeEasy
in Re: All Marine Habitat Magazine Backissues Downloads

ReefBase - Info Centre

Forum Stats Forum Stats

77,619 Posts in 6,395 Topics by 5,414 Members.
Latest Member: chime4cannon
Latest Post: "Re: Books" ( Aug 8, 2022 6:37:43 pm )
View the most recent posts on the forum.

Reefers Online Reefers Online

418 Guests, 18 Reefers

Reefers active:
00777, stuartbarriskell, jamie_stacey, dobequest, Fishpalace, A1, davechil, TheBrickieReefer, nickko, jukeboxjury, chsound, nitromax, chime4cannon, Mike, BellaKornw, jam5971,, dodefbaggins

Most Online Today: 485. Most Online Ever: 10,671 (Nov 29, 2019 6:20:30 am)

ReefBase Tip Jar

Donations of any amount really helps offset the running costs and are greatly appreciated by the forum’s team and every other member.

Recent Topics

Books by Mike

No donations by ajm83

siamese fighting fish by ajm83

Upgrading a tank by ajm83

Corrie wrasse very swollen belly . by ajm83

Dead Emerald Crab by nickko

Fluval Sea 1.0 by ajm83

Donation by Mike

New set up by Damo2567

Asterina Starfish by Psychotic Madman

colourful group of fish for 250L tank? by ajm83

Zero nitates by Ratvan

New editions by Ratvan

Question by Ratvan

Mantis Shrimp Manor by Ratvan

Red Sea Max 130D - 1st "Proper" Reef by Ratvan

Red sea reefer + 2x 26 AI Hydra lights by geordie

Fish and Inverts, Equipment for sale by

Poo by Animal

Aquarium Build by Animal

Help with cycling I have just set up by PushButtonReef

Natural sea water by PushButtonReef

Identification needed. by HK_Fuey

About the size of an asterina. But not one. by ajm83

Starter tank by ajm83

Yellow Box fish by A1

Chaeto harvesting - need some! by semiroundel

Farewell by NickNackUk

Instant Ocean salt problem by semiroundel

New member coming over from freshwater by ajm83

Reef Keeping News

warning - Tropic Marin Pro Reef - bad batch Feb 2, 2022 10:57:51 am by ajm83
Heads up for anybody using TM Pro-Reef salt...

Statement on current supply of Tropic Marin® Pro-Reef sea salt from our Turkish production facility.

Read More
Good news for once! Dec 8, 2021 9:55:41 am by ajm83
Read More
Hawaiian university scale up tank bred yellow tang programme Feb 11, 2021 11:54:06 am by ajm83
Some good news for the sustainability of our hobby

And a vid of the babies nbsp
Read More
Amwell aquatics Oct 24, 2019 1:01:59 am by Animal
Just thought I'#039d let you know that amwell aquatics which is based at thornwood Essex will be closing down for good .they are moving all their stock to their other shop in Cambridg
Read More
Guppys oh my god. Oct 17, 2019 9:14:31 am by Animal
AS you all know I do love a challenge,I'#039ve got a friend in the USA that has set up a small test tank and has successfully acclimatised guppys to marine .
Why I don'#039t know lo
Read More
Another Palytoxin victim Aug 7, 2019 4:59:04 pm by ajm83
The adults, first hit by the toxins, spent one week in hospital. Katie'#039s three girls, who were asleep, were discharged the day after.

Katie added: "quotWe had gone
Read More
World Reef Day June 1st Jun 2, 2019 10:29:02 am by Gav
A little late , but thought I'd bring attention to this either way
Read More
Calcium and Mag testing May 16, 2019 7:02:28 pm by geordie
Saw this write up and thought i would share,a bit of a way to go but sounds promising. Made in the USA you can google images and further write ups.

We didn'#039t want to an
Read More