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Excessive concentrations of phosphates in the water can lead to strong algae growth and a reduction in the growth of corals and aquatic plants. This is why it is important to monitor the phosphate concentration in an aquarium regularly and maintain the...

Tropic Marin® Carbo-Calcium is highly concentrated calcium and alkalinity for dissolving in reverse osmosis water to get the proven Carbocalcium solution. After dissolving, one single solution can cover all the calcium and alkalinity...

Tropic Marin® A- Elements contains a selection of essential anionic trace elements for the promotion of growth and the natural colouring of the corals. Trace elements are natural minerals which are needed by all aquarium inhabitants to maintain...

Stimulates coral growth, intensifies colouring and reduces phosphate in the reef aquarium biologically. Pale or brownish corals are often caused by too weak a concentration of easily digestible nitrogen compounds. Tropic Marin®...

Dimensions:  6in x 2in OR 1.25in   Includes: 2 Swappable Rack Options, 4 Hole or 8 Hole Thumbscrews Strong Magnet Bar   The Slimline Small Frag Rack [4 + 8 Hole] is a great set up for any size tank. You can easily...

This box has everything you need to make a beautiful aquascape and there are so many ways to arrange them.  Also, each box has a minimum of 40 pounds of rock that include 2 x 12” Arches 15 lbs Original Rock 3 Ledges 1 donut 1 cave 1...

Coral pictured is very close to WYSIWYG. If you are looking to start buying coral online, to add to your aquarium, this is a great beginner large polyp Stoney coral. ACI Cultured Sunrise Cyphastrea Coral is a fast growing encrusting coral. A...

Coral pictured is very close to WYSIWYG. If you are looking to start buying coral online, to add to your aquarium, this is a great beginner large polyp Stoney coral. ACI Cultured Ghost Eye Chalice. This is a fast growing encrusting coral. A great...

Coral pictured is very close to WYSIWYG. If you are looking to start buying coral online, to add to your aquarium, this is a great beginner large polyp Stoney coral. ACI Cultured Scream Tail Cyphastrea Coral is a fast growing encrusting coral. A...

Coral pictured is very close to WYSIWYG. If you are looking to start buying coral online, to add to your aquarium, this is a great beginner large polyp Stoney coral. ACI Cultured PPE Cyphastrea Coral is a fast growing encrusting coral. A great...

Coral pictured is an example of what will be sent to you. If you are looking to start buying coral online to add to your reef or fish tank, this is the best beginner LPS coral. ACI Cultured Trick or Treat Stylocoeniella Coral is an encrusting LPS...

Coral pictured is an example of what will be sent to you. If you are looking to start buying coral online to add to your reef or fish tank, this is the best beginner LPS coral. ACI Cultured Green Goblin Stylocoeniella Coral is an encrusting LPS...

Coral pictured is an example of what will be sent to you. If you are looking to start buying coral online to add to your reef or fish tank, this is the best beginner LPS coral. ACI Cultured Grafted Stylocoeniella Coral is an encrusting LPS coral...

Coral pictured is an example of what will be sent to you. If you are looking to start buying coral online to add to your reef or fish tank, this is the best beginner LPS coral. ACI Cultured Fireball Stylocoeniella Coral is an encrusting LPS...

ACI Cultured Majestic Micromussa 1 - 2 Polyps in size.  If you are looking to start buying coral online to add to your reef tank, this is the best choice. ACI Cultured Majestic Micromussa coral is a stationary LPS coral. They are a fast...

Coral pictured is an example of what will be sent to you. If you are looking to start buying coral online to add to your reef or fish tank, this is the best beginner LPS coral. ACI Cultured Wowzers Bernardpora Coral is an encrusting LPS coral...

Average frag 1-5 polyps.  If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Grandis Palythoa are a fast growing coral that will reproduce and expand there colonies, for beginners and...

Average frag 1-5 polyps.  If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Gold Dot-Green Rim Zoanthids are a fast growing coral that will reproduce and expand there colonies, for...

Average frag 1-5 polyps.  If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Mohawks Zoanthids are a fast growing coral that will reproduce and expand there colonies, for beginners and...

Photocatalytically Enhanced Aquarium UV Steriliser The Vecton Titan UV has been produced using specially selected photocatalytic material. The photocatalytic reaction provides a safer alternative to ozone for even cleaner water...

FREE ON ORDERS OF $100 OR MORE! Provide FREE cutting-edge reef-keeping information to hobbyists to encourage responsible reef-keeping and sustainability of our hobby.  Reef Hobbyist Magazine is a reef-focused magazine that teaches hobbyists of all...

FREE ON ORDERS OF $250 or MORE - JUST ADD TO CART! Hailed by critics as “the world’s best reefkeeping magazine,” CORAL is written by leading aquarium experts and marine biologists, lavishly illustrated with breathtaking images, and...

FREE ON ORDERS OF $250 or MORE - JUST ADD TO CART! Hailed by critics as “the world’s best reefkeeping magazine,” CORAL is written by leading aquarium experts and marine biologists, lavishly illustrated with breathtaking images, and...

Tangerine Leptastrea coral 1"+ in size.  Green Leptastrea are stationary encrusting. A vibrant coral with many different color morphs. They are a fast growing coral for beginners and experts alike.  Expertise: Beginner Lighting: Low...

On average 3/4" - 1" in size.  If you are looking to start buying coral online to add to your aquarium, this is the best soft coral. Green toadstool can scientifically be called sarcophyton coral. This is a great beginner coral. This fast...

On average 2" - 3" in size.  Green Sinularia Finger Leather is a great beginner coral. This fast growing coral is adaptable to different levels of light. A great soft coral to add to any aquarium. Expertise: Beginner Lighting: Low...

 3/4" - 1"+ in size. 1-2 heads. Pictured coral above is an example of what may be sent to you. If you are looking to start buying coral online to add to your reef tank, this is the best choice. Green Tip Frogspawn are part of...

Yellow Assesors are not a member of the Dottyback family, but are similar to them in many ways. The Yellow Assesor is native to Australia and is a member of the Plesiopidae (Longfins) family that includes the Marine Betta (Comet). They are not nearly as...

The Perfect Start to Your Aquatic Journey Everything you need to get started with your first saltwater aquarium. Step-by-Step Video Instructions Portion of Net Proceeds to Ocean Conservation Ever wondered if you should take the plunge and build...

Equipped with state-of-the-art engineering, the Ultra 9000 delivers unparalleled efficiency and performance, ensuring rapid drainage with minimal energy consumption.  The Ultra 9000 features an integrated safety float switch, adjustable feet to...

Average frag 1-3 polyps.  If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. ACI Cultured Stratocaster Zoanthids are a fast growing coral that will reproduce and expand there colonies,...

On average 3/4" - 1" in size.  If you are looking to start buying coral online to add to your aquarium, this is the best beginner sps coral. ACI Cultured Green Slimer Acropora. A great SPS coral addition for your aquarium. Expertise:...

On average 3/4" - 1" in size.  If you are looking to start buying coral online to add to your aquarium, this is the best beginner sps coral. ACI Cultured Green Digitata Coral. This fast growing coral is adaptable to different levels of light. A...

On average 3/4" - 1" in size.  If you are looking to start buying coral online to add to your aquarium, this is the best beginner sps coral. ACI Cultured Neon Green Birds Nest (Seriatopora Guttata). A great SPS coral addition for your...

On average 3/4" - 1" in size.  If you are looking to start buying coral online to add to your aquarium, this is the best beginner sps coral. ACI Cultured Fuzzy Green Pocillopora Coral. A great SPS coral addition for your aquarium...

On average 3/4" - 1" in size.  If you are looking to start buying coral online to add to your aquarium, this is the best beginner sps coral. ACI Cultured Milka Stlophora Coral. A great SPS coral addition for your aquarium. Expertise:...

Average frag 1-5 polyps.  If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. ACI Cultured Mohawks Zoanthids are a fast growing coral that will reproduce and expand there colonies, for...

On average  1" - 2" in size.  If you are looking to start buying coral online to add to your aquarium, this is the best LPS coral. ACI Cultured Lightning Bolt Maze Paragoniastrea Coral. Expertise: Beginner Lighting: Low –...

On average 3/4" - 2" in size.  If you are looking to start buying coral online to add to your aquarium, this is the best beginner SPS coral. Tidal Wave Chalice Coral is fast growing.  A great small polyp stony coral for beginners...

On average 3/4" - 2" in size.  If you are looking to start buying coral online to add to your aquarium, this is the best beginner SPS coral. Radioactive Crocodile Chalice Coral is fast growing.  A great small polyp stony coral for...