Plug this probe into your FMM and then place it on any surface where you want to detect stray water. Upon contact with water this probe will communicate to your Apex and alerts or other actions can then take place.  Time is so critical when it...

Plug this probe into your FMM and then place it underneath your carpet near your aquarium. Upon contact with water this probe will communicate to your Apex and alerts or other actions can then take place. Don’t have carpet, see the next...

This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in...

Usually used with aquarium accessories like RODI inputs, calcium reactor feed lines etc., this flow sensor can be placed in line with the flow on 1/4″ tubing, connected to the FMM, and communicate to your Apex the flow rate of water...

Usually used with aquarium accessories like reactors, carbon/GFO filters, etc., this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor...

Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor itself uses BSPP threads so for North...

Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor itself uses British Standard Parallel Pipe...

FMM – FLUID MONITORING MODULE IT DOES SO MUCH! This is just the module itself without and sensors. The FMM (Fluid Monitoring Module) is a module that connects to any Apex (Apex(2016), Apex Classic, Apex Lite, Apex Jr.) via it’s AquaBus...

UNUSED CUSTOMER RETURN   EHEIM universal pumps offer a large performance spectrum and a wide variety of uses. They are very reliable equipment offering exceptionally long service life. They can be used inside or out of water. The integrated...

Eshopps 1" Red Pipe 30" (Single Piece)

Eshopps 1" Blue Pipe 30" (Single Piece)

Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The calcium-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely responsible for increasing...

Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The calcium-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely responsible for increasing...

Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The carbonate-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely responsible for increasing...

Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The carbonate-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely responsible for increasing...

What is PolypLab One? PolypLab One is engineered from two forms of acetate and hydroxide salts. When dosed, the calcium magnesium ions are freely available for uptake by corals, clams, and many other reef organisms. The acetate ions are metabolized by...

What is PolypLab One? PolypLab One is engineered from two forms of acetate and hydroxide salts. When dosed, the calcium magnesium ions are freely available for uptake by corals, clams, and many other reef organisms. The acetate ions are metabolized by...

Two Little Fishies Iodide and iodine supplement is made from potassium iodide and seaweed extracts. Use this supplement to provide an extra boost of this important element and observe the positive effects. Great for growing Xenia, other soft corals and...

Coral Color & Growth Starter Bundle Includes:   - Two Little Fishies Potassium 500 ML - Two Little Fishies AcroPower 500 ML

Xport BIO Plate Ultra-porous Biological Plate Media with Superior Performance Characteristics Overview Highest porosity and largest useable surface area, per unit weight or volume, of all filtration media available anywhere Provides huge amounts...

Efficiency: 36V / 70watts      Dimensions: 5.11in(W) x 5.7in(L) x 4in(H) Controller Features: multiple pause times, float switch safety and 0-10v input for 3rd party controllerReplacement pump for Reef...

Bio-Spheres biopellet media is a 100% pure biologically degradable polymer solid carbon source that helps reduce nitrates and phosphates within a marine environment by encouraging the growth of beneficial bacteria and enzymes on the media’s surface...

Efficiency: 36V / 98watts       Dimensions: 3.75in(W) x 5.7in(L) x 5.5in(H) Controller Features: multiple pause times, float switch safety and 0-10v input for 3rd party controllerIncludes: VarioS-8 pump,...

Certified by IAPMO R&T to NSF/ANSI 58 for material and structural integrity requirements only, and to NSF/ANSI 372 for lead free compliance. All Tubing is Sold by The Foot. NSF/ANSI Certified : Yes Material : Polyethylene (LLDPE) Tube ID : 0...

All Tubing is Sold by The Foot.  If you would like 10 Feet of Tubing, purchase a quantity of 10.  Need 20 foot of tubing, enter 20 for the quantity.  You can edit the quantity inside your shopping cart.  There is a 10 foot minimum on...

There are three models with a pump outlet from 100, 200 (2 x 100) and 400 (2 x 200) l/h, the smallest model has one and the two larger ones both have two individually adjustable air outlets. And they come equipped with one or two EHEIM...

There are three models with a pump outlet from 100, 200 (2 x 100) and 400 (2 x 200) l/h, the smallest model has one and the two larger ones both have two individually adjustable air outlets. And they come equipped with one or two EHEIM...

There are three models with a pump outlet from 100, 200 (2 x 100) and 400 (2 x 200) l/h, the smallest model has one and the two larger ones both have two individually adjustable air outlets. And they come equipped with one or two EHEIM...

ONE PIECE of Black Egg Crate for Aquariums. Modular - Each section of egg crate has built in connectors to secure multiple pieces together to create a larger section. The perfect solution to place underneath your live rock structure to protect the...

The Advantage Series is ideal for small ponds, aquariums, and water features. Advantage UV’s are slim, lightweight units designed for maximum UV effectiveness.  Aqua Ultraviolet UV’s will clear your water in 3 to 5 days sometimes...

The Advantage Series is ideal for small ponds, aquariums, and water features. Advantage UV’s are slim, lightweight units designed for maximum UV effectiveness.  Aqua Ultraviolet UV’s will clear your water in 3 to 5 days sometimes...

Use this cable to connect Apex Systems and modules together. The Apex is a modular system that allows you to connect many modules together in either a “daisy-chain” or star topology method. Use this cable to connect together the Apex,...

Use this cable to connect Apex Systems and modules together. The Apex is a modular system that allows you to connect many modules together in either a “daisy-chain” or star topology method. Use this cable to connect together the Apex,...

Use this cable to connect Apex Systems and modules together. The Apex is a modular system that allows you to connect many modules together in either a “daisy-chain” or star topology method. Use this cable to connect together the Apex,...

DŌS Replacement Pump Head Cap for your Neptune Systems DŌS module.  Complete assembly includes cover, peri-tube, fittings and roller wheel. Neptune Systems recommends that these be replaced approximately every 700 hours of pump run time.

1000 ML - 33 oz Bottle Red Sea NO3: PO4-X is a unique complex of carbons that are used by nutrient reducing bacteria. Each carbon in the complex is utilized by different strains of microorganisms while ensuring the specific...

500 ML - 16 oz Bottle Red Sea NO3: PO4-X is a unique complex of carbons that are used by nutrient reducing bacteria. Each carbon in the complex is utilized by different strains of microorganisms while ensuring the specific...

AI HMS Hanging Kit (Fixture Brackets and Rail Sold Separately) An elegant solution to hang one or multiple Hydras over your tank. Requires a mounting rail to fit your tank, and brackets for each Hydra (sold separately).

Mount your power supplies out of the water and out of the way. Fully adjustable and velcro secure, take your aquarium under the tank organization to the next level.

Complete overflow system complete with: anti-clogging and easily removable suction grid; directional water jet; hoses*. Rated for upwards of 660 gallons per hour! It can be installed in aquariums with external sump filter and two drain holes. Xaqua...