Barium sol'n; 1,000 ppm.  Increases barium in recirculating seawater systems.  Maintenance of barium concentration within close confines of standardized seawater value (as defined by salinity) supports biogenic aragonite formation and secretion...

UNUSED CUSTOMER RETURN The Blade Freshwater brings the elegance of AI lighting to tropical fish and plants. High output in a sleek form factor combines with easy-to-use control and programming. The Freshwater has a balanced white spectrum with a highly...

8 Ft Cut Dosing tubing perfect for replacing old worn out tubing for dosing aquarium additives.  Inside Diameter: 1/4" Hardness: 67 durometer PVC tubing is manufactured to exact specifications which gives it the flexibility of rubber and the...

THIS IS A  10 FOOT CUT OF TUBING 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...

4ft Cut 1/2" Inside Diameter This crystal clear PVC hose is reinforced with a polyester braid. Non-toxic & crystal clear Heavy wall is kink resistant Burst pressure is 4 times the working pressure Self-extinguishing Durometer hardness (shore...

8ft Cut Dosing tubing perfect for replacing old worn out tubing for dosing aquarium additives.  Inside Diameter: 1/8" Hardness: 67 durometer PVC tubing is manufactured to exact specifications which gives it the flexibility of rubber and the...

20ft Cut Dosing tubing perfect for replacing old worn out tubing for dosing aquarium additives.  Inside Diameter: 1/8" Hardness: 67 durometer PVC tubing is manufactured to exact specifications which gives it the flexibility of rubber and the...

16ft Cut Dosing tubing perfect for replacing old worn out tubing for dosing aquarium additives.  Inside Diameter: 1/8" Hardness: 67 durometer PVC tubing is manufactured to exact specifications which gives it the flexibility of rubber and the...

18ft Cut Dosing tubing perfect for replacing old worn out tubing for dosing aquarium additives.  Inside Diameter: 1/8" Hardness: 67 durometer PVC tubing is manufactured to exact specifications which gives it the flexibility of rubber and the...

10ft Cut Dosing tubing perfect for replacing old worn out tubing for dosing aquarium additives.  Inside Diameter: 1/8" Hardness: 67 durometer PVC tubing is manufactured to exact specifications which gives it the flexibility of rubber and the...

12ft Cut Dosing tubing perfect for replacing old worn out tubing for dosing aquarium additives.  Inside Diameter: 1/8" Hardness: 67 durometer PVC tubing is manufactured to exact specifications which gives it the flexibility of rubber and the...

Do to the nature of the chemicals used in the reagents, all orders that include Trident NP reagents must ship ground only.   Trident NP Nitrate & Phosphate Tester w/ 2 Month Reagent Kit Reagents Store Neatly Inside the Trident Test...

Do to the nature of the chemicals used in the reagents, all orders that include Trident NP reagents must ship ground only.   Replacement Reagent Kit for Trident NP (2 Month Supply) Keep your Trident NP Nitrate and Phosphate Tester...

Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process. There are 8 colors to choose from, including new Midnight River. All...

Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process. There are 8 colors to choose from, including new Midnight River. All natural,...

Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process. There are 8 colors to choose from, including new Midnight River. All natural,...

Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process. There are 8 colors to choose from, including new Midnight River. All natural,...

Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process. There are 8 colors to choose from, including new Midnight River. All natural,...

Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process. There are 8 colors to choose from, including new Midnight River. All natural,...

Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process. There are 8 colors to choose from, including new Midnight River. All natural,...

Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process. There are 8 colors to choose from, including new Midnight River. All natural,...

LifeRock™ LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has formed a pure,...

South Seas rock is the premium choice of natural base rock for marine, reef, and African cichlid aquariums. Incredible macro and micro porosity for the ultimate biological media, and beautiful shapes and gnarly texture perfect for invertebrate placement...

We start with our ReefSaver rock with result looking something straight from the ocean.  This is not a wet or "live" product.   Our Coralline rock features no paint and no concrete.  We use an organic colorant that preserves all of...

Features * Highly effective Ich treatment for saltwater marine aquariums * Non-staining fish medication will not discolor aquarium silicon * Treats disease conditions caused by marine Ich, fungi, protozoa and...

USED _ ALL PIECES PRESENT The Kessil LED Light Pendant Gooseneck Clamp/Mount is a versatile mounting option that allows you to customize the positioning of your Kessil LED Fixtures. Will work with all Kessil lights we sell (A150W, A160W, A360W,...

USED - TESTED - WORKS MICRON is an internal filters for starter kits, turtle kits and small aquariums. They are integrated with an antiwear device and an exclusive water flow control system which allows filtering to be adjusted on the basis of the...

The Kessil A360XE Tuna Sun LED Aquarium Light is the latest offering from Kessil. The new Kessil A360XE Tuna Sun LED Aquarium Light is 15% brighter than the A360X. Also features improved color and communication...

The Kessil A360XE Tuna Blue LED Aquarium Light is the latest offering from Kessil. The new Kessil A360XE Tuna Blue LED Aquarium Light is 15% brighter than the A360X. Also features improved color and communication...

Wave Maker Protector Guards to fit the wet sides of the Aqua Illumination Ai Nero 3, Ai Nero 5 wave makers. Protect your tank occupants with wave maker protector guards. These reef safe guards are made from marine safe PETG material and are designed to...

Wave Maker Protector Guards to fit the wet sides of the Aqua Illumination Ai Nero 3, Ai Nero 5 wave makers. Protect your tank occupants with wave maker protector guards. These reef safe guards are made from marine safe PETG material and are designed to...

Tropic Marin® Pro-Tect improves the quality of the water – especially in fish aquariums – through a combination of highly efficient active ingredients. The welfare of the animals is improved.The protective colloids it contains...

Tropic Marin® Pro-Tect improves the quality of the water – especially in fish aquariums – through a combination of highly efficient active ingredients. The welfare of the animals is improved.The protective colloids it contains...

Organic filter medium for fluidized bed reactors for effective biological nitrate and phosphate reduction with a quick-starting, continuous action. Tropic Marin® NP-Bacto-Pellets consist of a mixture of natural biopolymers, which promote the...

Organic filter medium for fluidized bed reactors for effective biological nitrate and phosphate reduction with a quick-starting, continuous action. Tropic Marin® NP-Bacto-Pellets consist of a mixture of natural biopolymers, which promote the...

The nutrient ratios for corals and sponges in reef tanks are ideal when nitrates and phosphates are present in the lowest concentrations. Tropic Marin® NP-Bacto-Balance uses a mix of select organic carbon compounds and suitable inorganic...

Liquid pH buffer and KH creator for seawater aquariums Marine aquariums need optimal buffering for good coral growth with a stable carbonate hardness between 7 and 9 ° dH. In addition, fluctuations in the pH, e.g. in hyperacidity by excretions and...

Tropic Marin® K+ Elements contains a selection of essential cationic trace elements for the promotion of growth and the natural colouring of the corals. Trace elements are natural minerals which are needed by all aquarium inhabitants to...

Carbon dosing concentrate for effective reduction of nitrates and phosphates. Suitable for all saltwater aquariums with increased phosphate concentration and a low nitrate/phosphate ratio, as frequently observed in reef aquariums with a calcium reactor...

Excessive concentrations of phosphates in the water can lead to strong algae growth and a reduction in the growth of corals and aquatic plants. This is why it is important to monitor the phosphate concentration in an aquarium regularly and maintain the...