SpectraPure® SilicaBuster™ Mixed-Bed Multi-Layer Deionization Cartridges are fabricated with semiconductor grade resins for highest possible purity water. They are capable of producing 18 meg ohm-cm resistivity water....
True Union Swing Check Valve - 1/2 inch Slip x 1/2 inch Slip
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price matchin...
A complete kit for testing marine aquarium water. Tests water four ways to protect marine fish and invertebrates from dangerous water conditions. Kit includes tests for: High Range pH, Ammonia, Nitrite, Nitrate, plus four test tub...
The patented design allows it to Flip inside the tank simply by rotating the outer handle!
With a large soft cleaning pad on one side for daily maintenance and a Flip over to a stainless steel blade on the opposite side for r...
Through the chemical process known as "ion-pairing", magnesium ion concentration influences the saturation point for calcium corbonate in solution. In general, the further the magnesium concentration drops from natural seawater le...
SpectraPure’s MAXCAP® DI™ Replacement Cartridge is the Heart of the MAXCAP® Series of Products. When placed ahead of your existing DI cartridge, the life of your downstream DI cartridges will increase by four times or...
Purple-Up™ Purple-Up™ is a new pink and purple coralline algae accelerator. Since Purple-Up™ is not a fertilizer, it does not promote the growth of nuisance algae. How does it work? Purple-Up™ uses a unique dual method approach...
BIO DIGEST is a hyper-concentrated bacterial compound that satisfies two functions: Installing biological filtration and digesting aquarium waste. Packaging the ampoules under nitrogen allows for very long conservation and makes ...
CaribSea’s Arag-Alive!™ Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ comp...
Instantly removes chlorine and chloramines , making tap water safe for fish. Neutralizes heavy metals. Also, replaces the natural slime coating fish need in times of stress, such as handling, shipping or fighting. Contains Aloe V...
Customize your mechanical, chemical, and biological filter media or convert to a living refugium with our larger and more robust CustomCaddy media baskets. Choose between your favorite filter pads, activated carbon, ion exchange r...
Part # : 175138 Size: 1/2" FPT x 1/2" Hosebarb
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price matching under our Lo...
Gate Valve - 1/2 inch Slip X 1/2 inch Slip
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price matching under our Low Pr...
Vortex Water Flow Accelerators 1/2 Inch MPT
Vortex Nozzle for more random flow
Increase Water Flow up to 400%
High quality durable ABS plastic construction
Compact size and light weight Maximum flow rate 660 GPH
Replacement Needle Wheel Impeller for the G-300 used on the ASM Mini-G skimmer
Salifert Magnesium Profi-Test
Magnesium is present in natural sea water in a fairly high concentration (1350 - 1500 mg/L) and is an essential element of chlorophyll which is necessary for photosynthesis. Without photosynth...
Salt Mix Bucket makes 50 gallons of saltwater
You asked for it. We delivered it.
Formulated from natural seawater chemistry
Mixes to 1.025 g/cm 3
Composed of ACS-and USP-grade ingredients
Extensively tested for ove...
Calcium is a major constituent of coralline algae, the skeletal material of hard corals and the skeletal needles of soft/leather corals. In many cases too low a calcium concentration retards coral and coralline algae growth.
UVL 65W Actinic White PowerCompact Bulb - Straight Pin
Bulb Replacement Guide
Life of Bulb*
Normal Output Fluorescent
Very High Out...
Makes 50 Gallons of Saltwater
Seachem’s Reef Salt™ is a chemically sound blend of salts designed to replicate natural reef waters. It is specifically formulated for the reef environment and will provide ideal seawater concent...
Color Changing Mixed Bed Resin DI Cartridge upgrade for the AquaticLife RO Buddie Reverse Osmosis System. With the addition of this filter you can turn your RO Buddie into an RO/DI system that will produce pure, zero TDS water. ...
A complete reactor media containing not only calcium and carbonate, but essential trace elements as well. In fact A.R.M. has nearly 50 times the strontium of other brands (7,390 ppm) A.R.M. is processed for immediate use, no rinsi...
Gate Valve - 1/2 inch FPT X 1/2 inch FPT
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price matching under our Low Pric...
Seachem Reef Advantage Calcium ™ is equivalent to dry Reef Complete™. It is a non-caustic (pH 8.3-8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carb...
High in protein and enriched with Vitamins A, B1, B2, B6 and K. This is the most popular type of seaweed because of it`s natural green color and it`s ability to hold together for extended periods of time in the aquarium water. Th...