Best Selling Products

The FX-STP 3 is a high-precision peristaltic pump designed for both local and remote control, delivering consistent, reliable performance for deman...

Fauna Marin Coral Balance   Coral Balance is a modern nutrient control system that enhances metabolic turnover rates. It was specificall...

The first expansion module, the PM1 , with a pH or ORP, temperature, and 6 digital inputs. The PM1 features are: Monitor/Control pH or ORP, and te...

Reef Buffer™   Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Conta...

Syncra Silent Pumps The Syncra Silent is new range of energy efficient pumps that is absolutely silent. Don't be fooled - these pumps are powerful ...

Hanna Instruments Low Range Marine NITRATE Checker HC REFILL HI-781-25   1x PC x100 mL HI781A-0 25x PCS x 0.16g HI781B-0 ...

Pure special salts from Fauna Marin   Our salts follow pharmaceutical purity standards and are packaged accordingly. When prepping our salts, we go...

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...

54W Aquablue Special T5 HO Fluorescent 48″ by ATI ATI 54W Aquablue Special T5 HO Fluorescent bulb combines the properties of a full-spectrum bulb w...

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 Ap...

Lifegard Aquatics low profile strainers are perfect for installations where space is limited. The thin profile also maximize usable space and g...

Kessil X-Series lights now interface with the Neptune APEX Fusion app through either the WiFi Dongle (A360X and A500X) or directly through an AP9X....

High performance REEF-SPEC® skimmers: Designed with hobbyists needs in mind, the highly effective flow dynamics of the REEFER™ Skimmer will maintai...

Reagent refill for the HI-783 (UPDATE VERSION with powder and liquid reagent.) Magnesium is the third most abundant ion in seawater, surpassed only...

3/4 " Ball-Socket Elbow Fitting (Loc-Line) 

 ESV's Granular Activated Carbon (GAC) based on bituminous coal provides the best combination of pore size, large particle size, high surface a...

Product Description PhosGuard™ rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphate buffe...

Mag-Float 350 Magnet Cleaner (Glass) – Large Model: Float-350 Glass / Thickness: 5/8″ (16mm) Dimensions: 3 ¼” x 2 ½” x 1″ The Mag-Float’s Powerfu...

Red Sea Reef Colors Pro Test Kit - Contains Iodine Pro, Posassium Pro and Iron Pro  

This is a ten foot Male/Female extension cable that will enable you to remotely locate DC24 accessories like the PMUP. NOTE: The maximum supported ...

Neptune Systems IO Breakout Box The IO Breakout Box allows the easy addition of water level float switches, water pressure and flow sensors, water ...

Aqua UV 15W Advantage 2000 HOB UV Sterilizer. The Advantage Series is ideal for small ponds, aquariums, and water features. Advantage UV`s are slim...

  Prime® is the complete and concentrated conditioner for both fresh and salt water. Prime® removes chlorine, chloramine and ammonia. Prime® conver...

  Advantage Barb x Barb 15 Watt Plumbs In Line Fresh Water Sterilizer 200-500 gals  /  Flowrate - 700 gph for 30,000 µw/cm2 Salt Water St...