The Reef Octopus eSsence S-130 Protein Skimmer was designed for the modern day aquarist in mind. This remarkably compact in-sump protein skimmer is capable of skimming aquariums up to 160 gallons where sump space may be limited...

Lee's Sleek 25' Flexible Airline Tubing in Black is a great way to hide necessary airline tubing in your aquarium.

Clear rigid pvc tubing with thin walls. Use as replacement uplift tubes or to fabricate custom set-ups for aquariums and pools.   Pack of 3 Measurements are outside-diameter Lees rigid tubing is 3/16-inch round x 3 feet long. Clear rigid...

Python airline tubing is made from a non toxic, FDA approved, and ozone safe material.  It's pale blue in color and is easy to conceal, making it virtually invisible in your aquarium.  Python airline tubing is flexible and will never crack or...

Python airline tubing is made from a non toxic, FDA approved, and ozone safe material.  It's pale blue in color and is easy to conceal, making it virtually invisible in your aquarium.  Python airline tubing is flexible and will never crack or...

The EHEIM compactON aquarium pump is characterized by its name through a compact design and is thanks to the included accessory bag appropriate for versatile use – the EHEIM compactON 2100-5000 can also be modified for the use outside of the...

The EHEIM compactON aquarium pump is characterized by its name through a compact design and is thanks to the included accessory bag appropriate for versatile use – the EHEIM compactON 2100-5000 can also be modified for the use outside of the...

The EHEIM compactON aquarium pump is characterized by its name through a compact design and is thanks to the included accessory bag appropriate for versatile use – the EHEIM compactON 2100-5000 can also be modified for the use outside of the...

The EHEIM compactON aquarium pump is characterized by its name through a compact design and is thanks to the included accessory bag appropriate for versatile use – the EHEIM compactON 2100-5000 can also be modified for the use outside of the...

10lb pre-measured in a Mesh Bag - South Seas Base Rock - Natural weathering processes form the fantastic shapes of South Seas Base Rock by the erosion and pitting of limestone over the course of eons. It is clean and safe for marine, reef and hard water...

Chemi-pure can be used with all water types as a chemical absorption filter and ion generator and exchange unit to positively keep pH at a perfect constant level. Also fantastic for use with African Cichlids and Discus! Needs replacement only every six...

Chemi-pure can be used with all water types as a chemical absorption filter and ion generator and exchange unit to positively keep pH at a perfect constant level. Also fantastic for use with African Cichlids and Discus! Needs replacement only every six...

Apex LED Light Dimming Cable – 2 Channel Use this cable to connect two channels of 0-10V dimmable LED lights to your Apex System or Advanced LED Dimming Module – VDM Use this cable to connect two separate LED color channels from your 0-10V...

Kit Includes 1x FMM Module, 2x Solid Surface Leak Detection Probe. Aquarium leaks are one of the most feared events for even the most seasoned aquarist – and for good reason. When it comes to leaks, it’s not just about whether you’ll...

Real Reef Rock is a made of 100% natural marine friendly ingredients. Its components are made of the same building blocks which wild coral and living reef rock are composed of. The ingredients are not taken from the ocean and as a result there is zero...

1 FREE RANDOM SAMPLE ROCK FREE WITH ANY ORDERS OF $20 or MORE   Real Reef Rock is a made of 100% natural marine friendly ingredients. Its components are made of the same building blocks which wild coral and living reef rock are composed of. The...

Enriched formulation. Optimum effectiveness. Formulated specially for use in reef aquariums, Reef Crystals contains essential ocean reef elements in concentrations greater than those found in natural sea water. Extra Calcium to help ensure the...

The Trident is an automated testing system that regularly tests alkalinity, calcium, and magnesium in your saltwater aquarium — and then communicates this information to your Apex so you can get alerts, and change your dosing. When combined with...

Real Reef Shelf Rock is our version of the shelf or slab rock that use to be imported from the Kingdom of Tonga for many years, before getting banned for destructive collection practices. Many have try tried to ship similar wild products from countries...

Real Reef Shelf Rock is our version of the shelf or slab rock that use to be imported from the Kingdom of Tonga for many years, before getting banned for destructive collection practices. Many have try tried to ship similar wild products from countries...

Real Reef Rock is a made of 100% natural marine friendly ingredients. Its components are made of the same building blocks which wild coral and living reef rock are composed of. The ingredients are not taken from the ocean and as a result there is zero...

Real Reef Rock is a made of 100% natural marine friendly ingredients. Its components are made of the same building blocks which wild coral and living reef rock are composed of. The ingredients are not taken from the ocean and as a result there is zero...

Real Reef Rock is our standard reef building rock. It comes in a variety of sizes from 4"-12".  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

Real Reef Rock is our standard reef building rock. It comes in a variety of sizes from 4"-12".  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

Real Reef Rock is our standard reef building rock. It comes in a variety of sizes from 4"-12".  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

This is the only ICP Test Kit currently on the market that includes the prepaid return shipping label to send the samples in.  Just pop it in the mail box. With the ARCOS II ICP-OES machine, we have chosen an analyser of the highest in its class...

Keep unwanted aquarium inhabitants out with this cleverly design fish trap. Use this clever trap to remove a pesky crab or other problem animal. Easily trap fish by baiting with your fishes favorite food. The sliding door has a spot where you can attach...

The AquaClear Power Filter features a unique multi-stage filtration system that provides complete mechanical, chemical and biological filtration for superior water quality. The Power Filter has a filtration volume that is up to 7 times larger than...

The AquaClear Power Filter features a unique multi-stage filtration system that provides complete mechanical, chemical and biological filtration for superior water quality. The Power Filter has a filtration volume that is up to 7 times larger than...

The AquaClear Power Filter features a unique multi-stage filtration system that provides complete mechanical, chemical and biological filtration for superior water quality. The Power Filter has a filtration volume that is up to 7 times larger than...

The AquaClear 30 Power Filter features a unique multi-stage filtration system that provides complete mechanical, chemical and biological filtration for superior water quality. The Power Filter has a filtration volume that is up to 7 times larger than...

Reborn is back to it's original size & formulation.  Large size pieces. Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western...

The Reef Octopus OCTO Regal 150 SSS Space Saver Protein Skimmer supplies powerful filtration for aquariums up to 210 gallons where sump space may be limited. The Reef Octopus Regal 150-SSS is constructed of high-quality cast acrylic that disassembles...

Lifegard Low Profile Suction Strainer 1" MPT

Nylon Elbow 1"Mptx to 1"Hose White

PVC Elbow 1" Thread x Thread White

Kessil Replacement Power Supply A80

Kessil Replacement Power Supply A160 19 Volt, 65 Watt

Kessil Replacement Power Supply A360X & A360 WE 19V-90W

Premium plastic acrylic-safe algae scraper replacement blade for marine and freshwater aquariums. Available with Cyan Plastic Blade (AquaBlade P) or Stainless Steel Blade (AquaBlade M). Backwards compatible with previous AquaBlade units. Made in the...