Best Selling Products

Red Sea Aiptasia 2oz (60mL) Destroy Aiptasia with Aiptasi . Red Sea has derived a distinctive patent pending formula to treat anemones Aiptasia, An...

Dosing Instructions: 1 mL will raise the alkalinity of 25 gallons by 0.036 meq/l (0.1dKH)   Dose in a 1:1:1 ratio with Red Sea Reef Foundation A a...

Refillable Media cartridge - Requires roughly 1.25 LBS of DI

Introducing the new Nero 5 with improved magnet by Aqua Illumination   Up to 3,000gph   Don’t be fooled by its compact demeanor! The Nero 5 punches...

Hole size chart for schedule 40 standard bulkheads (the black ones)   bulkhead Size: 1/2" = Hole Size: 1 1/8" or 1 1/4" bulkhead Siz...

Special 10% price match offer for this Neptune product! If you find a lower price in Canada, we'll match it plus give you an extra 10% of the diff...

Sold by the foot

Arag-Alive!™ PRE-RINSED LIVE MARINE SUBSTRATE   When setting up an aquarium with CaribSea's live products please do not rinse the substrate! The su...

Red Sea Coral Color A: A complex of halogens (Iodine, Bromine and Fluorine). The halogens act both as antioxidants and oxidative agents within the ...

Aquarium Filter Floss - 14oz bag

  NEW LIFE SPECTRUM NATUROX SERIES MARINE FISH FORMULA, sinking pellet food 150-300G   Marine fish are very sensitive to the diet you feed them. N...

  Two Little Fishies Julian Sprung's SeaVeggies Green Seaweed (30g)   Super nutritious Natural Green Seaweed sheets. I...

Get accurate results for your saltwater aquarium with our simple handheld colorimeter.   Our alkalinity colorimeter bridges th...

NEW QD wet side ALSO compatiable with older ES model. Vortech MP40QQ Wet Side Assembly. Includes the entire wet side vortech pump assembl...

Aquascape is a two-part epoxy putty that has been specially developed by D-D for use in salt water and freshwater aquariums and other underwater...

Flatworm eXit itself is quite safe to fish and invertebrates. However, the body juice of flatworms can be toxic to some reef inhabitants when pres...

Have fish that jump? A screen top is an excellent way to prevent your fish from carpet surfing yet still allow light to penetrate in to your aqu...

Red Sea Coral Color C: A complex of 8 “light” metals that includes Iron, Manganese, Cobalt, Copper, Aluminum, Zinc, Chrome and Nickel. These micr...

3/4" x 3" Ball-Socket Flare Nozzle (Loc-Line) 

Filter socks are the most convenient form of mechanical filtration. They remove excess food, detritus, organic waste, dust, and other particul...

Red Sea Coral Color B: A complex of Potassium and Boron. Potassium plays an essential role in the transportation of coral nutrients within the soft...

Double stitched nylon filter medium bags. For use with any type of granular filter media such as: phosphate, ammonia, nitrate or silica removers...

Seachem Reef Glue is easy to use and cures quickly. It is thicker than typical 'glu'e and more like a gel, holding frags in place while it cure...