Recent Photos

Posted by: Amo Manik
Posted by: hixy
Posted by: hixy
Posted by: Asia
Posted by: Asia
Posted by: Asia
Posted by: Asia
Posted by: Gav
Posted by: Gav
Posted by: Gav
Posted by: Gav
Posted by: hixy
Posted by: hixy
Posted by: Carol
Posted by: Carol
Posted by: Carol
Posted by: Shain Hunton
Posted by: Stib
Posted by: fishface
Posted by: fishface

ReefBase Reef Quiz

Play the ReefBase Reefing Quiz!

20 Questions from easy to not-so-easy. Have fun & good luck!

Example Question: Select the kelvin rating of the light that will grow corals the fastest:


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 hixy
in Re: Intro ... Hello reefers ....


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

Last post by reefloat
in Re: just noticed

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 Asia
in Re: Asia's tank swap

Tank of the month

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

Last post by Marty
in Re: TOTM September 2016 - voting

General Reef Keeping

General Reef Discussions

General non-specialised reefkeeping questions & discussions.

Last post by Marty
in Ratio of Energy and Nutrient Fluxes Regulates Symbiosis ...

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 mikey0451
in Re: Wattage ? ? ?

Reefing News

Post links or information on any related reefing news.

Last post by HK_Fuey
in Re: Video: Ivan Mikolji’s biotopes on the shore

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 Carol
in Re: David Saxby reef


General competitions on member chosen subjects.

Last post by HK_Fuey
in Re: Most charaterful creature vote

Marine Fish

General Marine Fish

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

Last post by Angrymac
in Re: What Goby?

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 HK_Fuey
in Re: Chloroquine: A "New" Drug for Treating Fish Diseases...

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 romperstomper
in Re: Lonely clown

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 Carol
in Re: Sulky Yellow Tang

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 Marty
in Re: Emporer anglefish


General Corals

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

Last post by Marty
in Re: Damn it.

Soft Corals

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

Last post by Marty
in Re: Poorly Zoa

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 Marty
in Re: Torch Coral Questions - funny tentacles

SPS Corals

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

Last post by Marty
in Re: Sps growth rate

Azooxanthellate / Non-Photosynthetic Corals

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


Marine Invertebrates

A board for marine reef invertebrates.

Last post by T-Bone Tyrone
in Re: Which shrimp should I go for

Marine Molluscs

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

Last post by Carol
in Re: Living Dangerously

Marine Crustaceans

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

Last post by hixy
in Re: Anemone on the move

Marine Hardware


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

Last post by james855
in Re: Radion schedule help


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

Last post by Marty
in Re: setting up doses help


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

Last post by smifs_reef
in Re: Reactors


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

Last post by fr499y
in Re: Skimmer recomendations for nano reef

Reef Photography


Show off your pictures of your reef.

Last post by hixy
in Re: some pics of tank today

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 Jessica
in Re: What camera to buy?


For sale

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

Last post by Asco1104
in Re: Simply aquaria temp controller

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 fr499y
in Re: Frag swap


A request board for marine fish, corals or equipment.

Last post by Scott Lawton
in Re: Media reactor

Reef Keeping Suppliers

Become a Supplier

There's no sponsorship model on ReefBase. For members it means there's no bias towards vendors who are supporting the forum financially, so everyone is free to talk openly about products, whether they're a supplier here or not. For you it means there's no fee, and you can advertise your products or service and interact with UK Reefkeeping hobbyists.


iQuatics Online is the UK’s leading supplier of innovative aquarium lighting products.

Last post by iQuatics-Online
in Re: The Famous 5 Deal Continues....


Reefloat Auto Aquarium Products

Last post by reefloat
in Re: another "think of a name" for you

UK Marine Lighting

The UK's Marine LED lighting specialists. Providing quality LED lighting to suit all budgets & aquariums.

Last post by ukmarinelighting
in Evergrow LED Lighting sale now on at UK Marine Lighting

Reef Perfect

Reef Perfect is the UK’s leading supplier of aquarium cooling and control products for private and commercial customers alike.

Last post by Mike
in Re: Hows it going ReefPerfect?


Fistafiltration specialise in acrylic aquarium manufacture, and filtration such as sumps and reactors. FistaFiltration has been supplying acrylic tanks and products for over 20 years.

Last post by fizzy
in Re: fish display


MailOrderCorals are one of the leading suppliers of Marine Corals and Inverts in the UK. With over 4,000 Corals & Inverts ready for delivery direct to your door with our live arrival guarantee.

Last post by T-Bone Tyrone
in Re: Holiday

RO World

A UK supplier of high quality aquarium RO units. With a vast range of reverse osmosis accessories at unbeatable prices with quick delivery.

Last post by Marty
in Re: Some advice please


Fishmansfrags has been a market leader of UK mail order marine corals, frags and livestock since 2005 and is possibly the most popular and best priced retailer of marine corals and critters online today!

Last post by fishmansfrags


Reefphyto Ltd is a reliable source of quality Live Phytoplankton, Rotifers, Copepods (Zooplankton) all cultured and grown at our premises in the UK.

Last post by HK_Fuey
in Re: Live Food Discount for ReefBase Forum Subscribers


We are suppliers of marine fish, coral, inverts and tank equipment. Using the equipment we also sell helps us to understand the customers requirements in maintaining a healthy aquarium.

Last post by marinefarm
in Evergrow D2120 sale

Aquarium Plumbing Ltd

We specialise in UPVC aquarium plumbing and fittings. All of our aquarium plumbing is fish and invert safe and can be used in fresh or salt water systems. We supply imperial and metric systems which are compatible with Deltec, Aqua Medic and any other European equipment.

Last post by Mike
in Re: Welcome to Aquarium Plumbing Ltd - our newest suppli...


Our marine products are both high quality and user friendly and have just one goal - to produce a successful healthy marine aquarium with stunningly beautiful corals and fish

Last post by fr499y
in Re: Review of Colombo Nitrate and Phosphate test kits

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 Carol
in Re: Aquatic log


Useful articles on the reefkeeping hobby.

Last post by Carol
in Re: Iron

ReefBase - Info Centre

Forum Stats Forum Stats

49,501 Posts in 3,543 Topics by 1,063 Members.
Latest Member: rickyessex
Latest Post: "Re: Asia's tank swap" ( Today at 4:13:14 pm )
View the most recent posts on the forum.

Reefers Online Reefers Online

429 Guests, 43 Reefers (20 Spiders)

Reefers active:
Asia, philip_eunice1, Chad20056, garethwood, Mol_PMB, glennf, terrencefoo, woolleson, Marty, maxim.dockx2, bjomat, Carol, Gav, Asco1104, DaveT, reefloat, HK_Fuey, Hai, thebiscuitmafia, alexbridge, olyoz, rusty_uk, Debbiem, carlcall, salty_boris, mezzygohil, hixy, hotashes, mikey0451, Jamthemackem, damienpbuckley, fishface, Amo Manik, jam5971, smifs_reef, gary.jennings, Kaiser99, Mike, Sam Cunningham, cheyenne77, Shain Hunton, dez_newman, grandconjuration, Yahoo! (2), Google (AdSense) (5), Google (13)

Most Online Today: 495. Most Online Ever: 1,810 (Mar 26, 2014 9:11:55 am)

Support ReefBase

We don't display ads, and suppliers of the forum don't pay us a penny.

Any donation of any amount really helps offset the running costs.

Recent Topics

Asia's tank swap by Asia

Chloroquine: A "New" Drug for Treating Fish Diseases by HK_Fuey

Chloroquine phosphate by HK_Fuey

Marty's Reef Tank by Carol

Could this be velvet or brook?:( by Marty

Reactors by smifs_reef

Ratio of Energy and Nutrient Fluxes Regulates Symbiosis betweenZooxanthellae and Coral by Marty

Anemone on the move by hixy

setting up doses help by Marty

SHAINS REEF. Fluval profile 1200. by Shain Hunton

Wattage ? ? ? by mikey0451

ady,s 52x48x24 upgrade by Carol

Offer codes/deals by Carol

Red sea foundation A , B & C by Marty

Iron by Carol

Reef Keeping News

Commercially aquacultured fire shrimps on the way Nov 8, 2016 12:35:20 am by HK_Fuey
The Fire Shrimp (Lysmata debelius) is popular among reefkeepers for their blood-red color, peaceful nature, and their important roles as scavengers and cleaners. This specie
Read More
Great Barrier Reef is under severe stress – but not dead yet Oct 15, 2016 8:10:56 am by Gav
The Great Barrier Reef is under severe stress – but not dead yet

Read More
Sapphirina Copepods - Vanishing act Oct 8, 2016 1:45:15 am by Mike
These copepods are transparent, but like cuttlefish, use pigments in their "skin" to show colour, but then "switch it off" to perform their vanishing act.

Watch this Nat
Read More
Show tanks from MACNA 2016 Sep 23, 2016 9:41:09 pm by HK_Fuey
Read More
Fish recorded singing dawn chorus on reefs just like birds Sep 22, 2016 11:16:11 am by HK_Fuey

Read More
Life on an underwater volcano Sep 19, 2016 4:11:36 pm by HK_Fuey
Read More
Sea snails could save barrier reef from starfish Aug 25, 2016 8:30:59 am by Gav
Sea snails could save Great Barrier Reef from starfish -
Read More
Googly eyed purple squid sighting Aug 17, 2016 9:16:48 am by Gav
Read More