The 23″ sensor is a bit larger version of the 15″ sensor and can be utilized in similar applications to the 15″ but for larger sized-aquariums.   A great application to consider is utilizing these advancing a roller mat...

Probably the most popular sized level sensor this is the ideal sensor for your average containers used in and around aquarium.  This will be the ideal sensor for measuring the return pump section of your sump.   You will be able to make...

The 4″ LLS is the smallest of the four sensor offerings.  It is the perfect fit for small reservoirs for small sumps, ATO reservoirs and additive containers.  This can be a great solution to double check that liquid additions of your...

The Magnetic Optical Sensor replaces our optical sensor with magnet and offers an improved look, feel, and magnetic design that also lends itself to help prevent water incursion into the sensor. This sensor plugs into your FMM and, using reflected...

New to the leak detector offerings is the Optical Multi Surface Leak Sensor (LD-3).  This is a weighted sensor that is an improved sensor and design over our Solid-Surface Leak Sensor (LD-2).  Those improvements include: An epoxied design...

One Random Ricordea Mushroom Coral 3/4" - 1"+ in size.  Pictured Mushrooms are examples of some of the types of random Mystery Mushrooms that may be sent to you. If you are looking to start buying coral online to add to your reef tank,...

One Random Mystery Rock Flower Anemone Coral 3/4" - 5"+ in size.  Pictured Anemones are examples of some of the types of random Mystery Anemones that may be sent to you. If you are looking to start buying coral online to add to your reef tank,...

USED - TESTED - WORKS   Operated exclusively via the FluvalSmart App on your mobile device, Aquasky allows you to control the light output of red, green blue and super bright 6500K white LEDs for infinite color blends. Programmable, gradual...

Chemical Media Cartridge For RedFlex Sumps

Dual Overflow Box For Premier Wet/Dry 200, 300, 400 The ProClear Aquatic Systems Overflow Box allows you to convert most standard aquariums to a sump / wet dry / or refugium filter. These overflow boxes include a bulkhead fitting, U-tube, and a...

Single Overflow Box For Premier Wet/Dry 75,125, 175 The ProClear Aquatic Systems Overflow Box allows you to convert most standard aquariums to a sump / wet dry / or refugium filter. These overflow boxes include a bulkhead fitting, U-tube, and a...

Our Auto Top Off Reservoir tanks come in 2 sizes, 6 gallon and 10 gallon. Both the 6 and 10 gallon model feature two holes in the top. One for your pumps power cord and the other for your tubing to...

Our Auto Top Off Reservoir tanks come in 2 sizes, 6 gallon and 10 gallon. Both the 6 and 10 gallon model feature two holes in the top. One for your pumps power cord and the other for your tubing to...

DAMAGED LEG - SNAPPED and RE-EPOXIED All Lifegard Turbo Reactors are engineered to the highest quality and efficiency to promote the growth of Nitrate and Phosphate reducing bacteria and Enzymes. They name TURBO is due to a unique high flow spinning...

Fits PRO-MAX 3" or 5" diameter UV Sterilizers

Fits PRO-MAX 3" or 5" diameter UV Sterilizers

40 Watt Replacement Quartz Sleeve for Lifegard Pro-MAX UV Sterilizer.

25 Watt Replacement Quartz Sleeve for Lifegard Pro-MAX UV Sterilizer.

120 Watt Replacement Quartz Sleeve for Lifegard Pro-MAX UV Sterilizer.

90 Watt Replacement Bulb for Lifegard Pro-MAX UV Sterilizer.

55 Watt Replacement Bulb for Lifegard Pro-MAX UV Sterilizer.

Fits PRO-MAX 3" diameter UV Sterilizers

Fits PRO-MAX 3" diameter UV Sterilizers

Fits PRO-MAX 3" or 5" diameter UV Sterilizers

The 'POD PUCK' - Amphipod and Copepod Breeder for Marine/Reef Tanks. Simply place in the sump of your aquarium setup, and let the Amphipods and Copepods move in. When ready, place your thumb over the centre hole and move to the display tank. Using a...

Bracket to suit D-D H2Ocean Dosing Pump P1 This bracket allows you to easily mount your P1 dosing pump wherever you wish. It can either be attached to the sump cabinet by using 3M tape, or use the built-in screw key holes in the bracket with 2-Off No.8...

Pair of Flow Directors to suit Maxspect Jump/Icecap Gyre wavemakers   Enhances water flow direction, moving water to any place within your tank more precisely. Shields the cages and rotors from light from your fixture, slows down algae growth on...

Pair of Flow Directors to suit Maxspect Jump/Icecap Gyre wavemakers   Enhances water flow direction, moving water to any place within your tank more precisely. Shields the cages and rotors from light from your fixture, slows down algae growth on...

Please find the marketing copy below:   NemProtect Guards to suit the Maxspect Jump/IceCap Gyre wavemakers Protect your tank occupants with NemProtect gyre guards. These reef safe guards are made from marine safe PETG material and are designed to...

Please find the marketing copy below:   NemProtect Guards to suit the Maxspect Jump/IceCap Gyre wavemakers Protect your tank occupants with NemProtect gyre guards. These reef safe guards are made from marine safe PETG material and are designed to...

Protect your tank occupants with NemProtect gyre guards. These reef safe guards are made from marine safe PETG material and are designed to stop anemones and small tank mates from getting sucked into and stuck inside your wave makers. These newly...

Protect your tank occupants with NemProtect gyre guards. These reef safe guards are made from marine safe PETG material and are designed to stop anemones and small tank mates from getting sucked into and stuck inside your wave makers. These newly...

Pair of Flow Directors to suit Red Sea ReefWave wavemakers   Enhances water flow direction, moving water to any place within your tank more precisely. Shields the cages and rotors from light from your fixture, slows down algae growth on them and...

Pair of Flow Directors to suit Red Sea ReefWave wavemakers   Enhances water flow direction, moving water to any place within your tank more precisely. Shields the cages and rotors from light from your fixture, slows down algae growth on them and...

NemProtect Guards to suit the Red Sea ReefWave wavemaker Protect your tank occupants with NemProtect gyre guards. These reef safe guards are made from marine safe PETG material and are designed to stop anemones and small tank mates from...

NemProtect Guards to suit the Red Sea ReefWave wavemaker Protect your tank occupants with NemProtect gyre guards. These reef safe guards are made from marine safe PETG material and are designed to stop anemones and small tank mates from...

Replacement Plate and Sponge for the Phosban 150 reactor

UNUSED CUSTOMER RETURN   High-tech, for a reliable water level in the aquarium.  Water level regulator with two sensors suitable for use in cabinet filters, in Comline filters or directly on the edge of the aquarium.  Scope of...

Randall’s Assessors are the little known third member of the Assessor genus.   These beautiful, peaceful fish prefer calm, community aquariums with large amounts of rock work and overhangs. Like...

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...