Best Selling Products

Black FISH/REEF SAFE Silicone (10.1 oz.)

Cynobacteria is usually encouraged with the presence of nitrate and ammonia, which are both fixed forms of nitrogen. Chemi-clean helps clean and re...

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 Reef Foundation A: Contains Calcium, Strontium, and Barium according to the ratios found in coral skeleton. Concentration: 1ml will raise t...

IC-GEL™ is a cyanoacrylate paste that is extremely thick which comes in an applicator tube like toothpaste. It has the same bonding and curing ...

Salifert Phosphate Test Kit Since phosphate can have major consequences when present in a concentration above 0.05 mg/L a test kit should...

Yes, another coral BUT what makes Polyplab's glue different and the best?   •Initial use child proof protection ring •...

Features   Push-fit technology Quick disconnection without the need for tools High chemical resistance EPDM seals 1/4 turn from open to closed Not ...

Clear FISH/REEF SAFE Silicone (10.1 oz.)

Salifert Ammonia Test Kit The Salifert Ammonia test is very straightforward and measures the sum of toxic ammonia and a...

Specially formulated for the use with reverse osmosis water Red Sea is please to announce the addition of an innovative new salt formula designed t...

Red Sea Reef Foundation Pro Test Kit – All in one Calcium, Carbonates and Magnesium kit This program provides you with biologically balanced levels...

4 x 8" Poly Filter Pad The POLY-FILTER is for filtering and purifying both fresh and salt water aquariums. It is a formulation of a special patente...

Tube Holder for Dosing / RO Tubing. Version may vary, see picture's

NEW BATCH ARRIVED! ALL REAGENTS SOLD AFTER May 25 2026 ARE FINE.  Voluntary Recall Notice We are issuing a voluntary recall for the Hanna HI 774-25...

 1/2" ID Flexible Ball-Socket Joint Tubing (Loc-Line)—6" in length

REEF ENERGY PLUS   All-In-One Coral Superfood An all-in-one superfood that will have your corals thanking you, delivering better...

Prime™ 16HD Reef Huge Light in a Tiny Package   HD Power No longer are you limited to using a fixed amount of power per channel, the Prime 16HD dy...

  Replacement Metering pump for the Tunze Osmolator 3155.000 Metering pump capacity: 2.95ft : 13.74GPH 4.92ft : 12.42GPH 6.56ft : 7.13GPH Max. Hei...

Pinpoint pH 4.00 Calibration Fluid Single-use plastic envelope packet that contains enough fluid for a complete calibration (about 30 ml)...

Two Little Fishies Julian Sprung's SeaVeggies Purple Seaweed (30g) Super nutritious natural Purple Seaweed. Ideal for marine herbivores such as Tan...

Easier to use and more accurate than chemical test kits Adaptation of Standard Method Ascorbic Acid Accuracy ±5% of reading ±5% ppb 1 ppb resoluti...

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