The pH and ORP probes are now double-junction as well so they hold calibration longer and have a longer lifespan...

What could you put into a plastic perforated pouch?   So let’s say you picked a peck of pickled peppers....

VarioS-2 Controllable Circulation Pump   Efficiency: 24V / 25watts        Dimensions: 4.75in(W) x 5.1in(L) x 4in(H) Controller Features:...

VarioS-6S Controllable Skimmer Pump   Efficiency: 36V / 70watts       Dimensions: 5.11in(W) x 5.7in(L) x 4in(H)  Controller Features:...

Do you have a Reef Brite LED or Lumi Lite LED fixture you would like to control with your APEX...

Reef Foundation B Carbonate & buffer complex for balanced formation of Coral Skeleton Alk   Calcium, magnesium, strontium and carbonate...

Reef Foundation A Calcium and strontium complex for balanced formation of the coral skeleton Ca | Sr   Calcium, magnesium,...

Reef Foundation ABC+ Uniquely formulated powder supplement containing all of the elements of  Foundation A, B & C, Plus Red...

  The Python HOOK makes routine water changes much easier and faster. Designed for use with the Python No Spill...

TwoLittleFishies ReMag, our new magnesium-rich media for use in calcium reactors. We made our first production this week. Use ReMag...

Green Killing Machine - Internal UV System (9W)   Makes fighting green water easier. UV radiation is effective in controlling...

Premium Aquatics 200 Micron Mesh Filter Sock Bag - 4” x 8” with Draw String MADE in the U.S.A  ...

Mag-Float Scrape - Replacement Scraper Blades for the small and medium glass Mag-Float (2 units )

The SICCE XSTREAM series pump, the latest generation of stream pumps for saltwater and freshwater aquariums.  XSTREAM, designed and made...

The Piranha Float Plus   The new "Plus Series" has a detachable and replaceable scraper blade for glass (stainless steel)...

Pristine Product Description Pristine uses bio-augmentation, a non-chemical and natural method, to improve water quality. It provides bacteria that break...

Tunze 45mm Plastic Replacement Blades 2pk for Tunze care magnet cleaner

High sensitivity seawater calcium test kit easy conversion factor accurately to 5mg/l precise dosing tip precise colour change separate indicator...

This product can ship economy. We keep it in the refrigerator until you order, but it is shelf stable and...

Neptune 4 Meter Tubing for Dosing System  

Ecotech Multi-Light RMS Track (Arms and Slides sold separately) The New Multi-light RMS is Now Available! Beautiful, Versatile and Ready...

ATI Non Dimmable 80w x 2 Bulb T5 Replacement Ballast

Please note: Due to breaks with shipping single lamps.  A minimum of 2 T5 lamps must be purchased together to...

Polypropylene and Kynar® housing with Viton® diaphragm. Will work with vacuum between 2 and 29 in. Hg. and pressures from...

3/16" x 5/16" Ozone Safe Tubing - per foot

The little new product we promised. It may be little, but it has been in demand for a long time....

Pinpoint ORP Redox 400 Calibration Fluid - 3 total packets

Created specifically for reef tanks and for use in the AFS (Automatic Feeding System) from Neptune Systems. Feeds both corals...

Heads above the rest. above the rest.AquaBlade long scrapers feature solid fiberglass handles. Instead of using glues that break-down like...

Simple way to increase dwell time     Stackable     Provides Greater Control     Solid Construction     Silicone O-ring Seal Stackable...

  The PhosBan Reactor 550 is designed with the upflow principle to achieve the most efficient use of PhosBan or...

NPX Bioplastics

Micro fittings for regulating air flow through standard airline tubing for devices such as air-stones, filters, protein skimmers, ornaments, etc....

Two Little Fishies Julian`s Thing Disposable Replacement Tips - 3 Pack

Reef Trace" supplies a broad range of trace elements demonstrated to be necessary for proper reef health and growth. Trace...

Reef Dip contains elemental iodine complexed to a protective slime coat for safely and gently disinfecting corals. It is effective...

Flourish Excel" is a source of bio available organic carbon. All plants require a source of carbon. This is typically...

MatrixCarbon is a truly unique activated carbon. It is formed as a spherical bead for optimum hydrodynamics, and will not...

For broad spectrum treatment and control of bacterial disease, such as body slime, mouth fungus, Furunculosis (open lesions and swelling),...

Reef Foundation Pro Test kit include individual test kits and the Reef Foundation Pro kit, which combines the 3 individual...

Nutramar Ogo is a freeze-dried Gracilaria algae, which when soaked in aquarium water rehydrates to approximately 10 times its dry...

Premium Reef 50GPD Dow Filmtec TFC Membrane

Sold in 500ml Increments (13oz). Pure solid carbon source created to help reduce nitrates and phosphates within a marine environment....

10" Fish Net

Breakout Box Connect external switches and I/O Inputs to your Apex When connected to the I/O Port of your Apex,...

With Milwaukee's MC Controllers you can monitor and control pH and/or ORP levels.    The Milwaukee Instruments "MC" Controllers have...

Professional pH monitor especially designed for use with aquariums. User selectable Hi/Low Set Point Manual 2 points calibration Visual LED...