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Biological booster and sludge remover for marine aquariumsConcentrated biological treatment keeps saltwater aquariums healthierUse weekly to break down waste and condition aquarium biological filtrationMultipurpose, concentrated biological treatment helps maintain a cleaner, healthier aquarium. W.O.W. Waste Out Weekly Marine contains billions of beneficial heterotrophic bacteria and enzymes that rapidly break down and remove waste, sludge, ammonia, and nitrite in the aquarium. The removal of this organic matter helps maintain a higher level of water quality for a healthier marine aquarium environment. When used regularly, W.O.W. Waste Out Weekly Marine helps aquarium substrate, filter hoses, lift tubes, decorations, and other equipment stay cleaner. W.O.W. Marine contains specific strains of bacteria that are more effective within the marine environment.16 fl oz W.O.W. Waste Out Weekly Marine Sludge Remover and Biological Booster treats up to 473 gallons.Benefits:Keeps aquariums healthier.Quickly breaks down organic wastes and sludge.Keeps aquarium substrate cleaner.Improves filter efficiency.Reduces the time and need for routine aquarium filter cleaning.Please click on "More Information" for dosing instructions.

Powerful propeller pumps increase water movement without transferring heatStrong magnetic field transfers torque from motor outside tank to propeller inside waterMost versatile flow product on the market for custom, programmable water movementMove water through your aquarium like no other pump. Revolutionary bracketless pump allows motor to be on outside of aquarium to prevent heat transfer. Torque is transferred magnetically through aquarium glass to turn propeller inside the water. Does not transfer heat, so keeps water temperature stable, and no dangerous AC electricity brought into the tank. Flow rates are completely controllable and are for aquariums with glass between 3/16" and 3/4" thick. VorTech features over-current protection and magnetic couple protection for maximum safety. Requires only minimal service to replace a simple, economical bearing.The VorTech MP40W Pro Wave Motion model features the Wireless Wave Driver. This intelligent controller allows wireless operation of multiple, programmable wave modes (constant, lagoon random, reef crest random, short pulse, long pulse, and feed mode) to create custom wave motion in your aquarium. The Wireless Wave Driver also allows the serious reef enthusiast to control up to 10 VorTech pumps for the ultimate wave motion system. 1,000 and 3,000 gph. For aquariums between 40 and 500 gallonsVorTech MP20 shares the adjustable operational modes as the MP40W (constant, lagoon random, reef crest random, short pulse, long pulse, and feed mode) but is designed for aquariums between 20 and 70 gallons. 500 and 2,000 gph. The MP20 can be upgraded to the MP40W with Wireless Wave Driver Upgrade.NEW VorTech MP10 measures only 2-1/2" diameter x 3-1/2" The compact MP10 boasts advanced VorTech technology for outstanding adjustable water movement in nano aquarium systems from 2-1/2 to 50 gallons in size. Enjoy customizable flow rates from 200 to 1,575 gph and signature VorTech operational modes (constant, lagoon random, reef crest

The only power skimmer that comes with a built-in flow meterA counter-current Turbo-Venturi skimmer for inside your tankPowered by the Visi-Jet powerhead, water passes through the pre-filter sponge (included) and into the reaction chamber. Within the "easy-clean" impeller chamber, the filtered water mixes with a massive amount of filtered air, creating a froth of micro-bubbles for maximum efficiency and gas exchange. Its special built-in flow meter also ensures accurate monitoring of true flow volume. The top-mounted collection cup removes easily for cleaning and is compact enough not to interfere with most hoods. Mounting hardware included. For tanks up to 70 gallons.

The Visi-Jet Protein Skimmer is an important component of a total filtration system.

Compact ultraviolet sterilizer with revolutionary "Turbo-Twist" designEasy-to-install UV sterilizers help keep aquarium water crystal clearVersatile UV sterilizer can be installed in-line or hang-on-tank Turbo-Twist?The affordable Turbo-Twist UV, featuring a revolutionary twist flow design, provides 3 times as much UV exposure in a compact, easy-to-install design. Specially designed aquarium ultraviolet sterilizer maximizes UV exposure in a compact, easy-to-install unit. Water traveling through the revolutionary "Turbo-Twist" flow design is exposed to three times more germicidal UV light than in conventional UV sterilizers. The result is clean, crystal clear aquarium water. Multifunctional UV sterilizers can be installed in-line or as a hang-on unit. Simply connect to a water pump, powerhead, or on the return line of a canister filter. Includes PL-type compact fluorescent UV Lamp and hang-on-tank bracket, and barbed fittings. For fresh and saltwater use.UV SizeDimensionsBarbed FittingsFlow RateAquarium Size (gallons)9W11" x 2-7/8"1/2" or 5/8"100-200 gphup to 12518W13-1/2" x 5-1/2"5/8" or 1"200-300 gphup to 25036W20-1/2" x 6"5/8" or 1"400-1200 gphup to 500Please click on "More Information" for instructions.

Compact ultraviolet sterilizer with revolutionary "Turbo-Twist" designEasy-to-install UV sterilizers help keep aquarium water crystal clearVersatile UV sterilizer can be installed in-line or hang-on-tank Turbo-Twist?The affordable Turbo-Twist UV, featuring a revolutionary twist flow design, provides 3 times as much UV exposure in a compact, easy-to-install design. Specially designed aquarium ultraviolet sterilizer maximizes UV exposure in a compact, easy-to-install unit. Water traveling through the revolutionary "Turbo-Twist" flow design is exposed to three times more germicidal UV light than in conventional UV sterilizers. The result is clean, crystal clear aquarium water. Multifunctional UV sterilizers can be installed in-line or as a hang-on unit. Simply connect to a water pump, powerhead, or on the return line of a canister filter. Includes PL-type compact fluorescent UV Lamp and hang-on-tank bracket, and barbed fittings. For fresh and saltwater use.UV SizeDimensionsBarbed FittingsFlow RateAquarium Size (gallons)9W11" x 2-7/8"1/2" or 5/8"100-200 gphup to 12518W13-1/2" x 5-1/2"5/8" or 1"200-300 gphup to 25036W20-1/2" x 6"5/8" or 1"400-1200 gphup to 500Please click on "More Information" for instructions.

Compact ultraviolet sterilizer with revolutionary "Turbo-Twist" designEasy-to-install UV sterilizers help keep aquarium water crystal clearVersatile UV sterilizer can be installed in-line or hang-on-tank Turbo-Twist?The affordable Turbo-Twist UV, featuring a revolutionary twist flow design, provides 3 times as much UV exposure in a compact, easy-to-install design. Specially designed aquarium ultraviolet sterilizer maximizes UV exposure in a compact, easy-to-install unit. Water traveling through the revolutionary "Turbo-Twist" flow design is exposed to three times more germicidal UV light than in conventional UV sterilizers. The result is clean, crystal clear aquarium water. Multifunctional UV sterilizers can be installed in-line or as a hang-on unit. Simply connect to a water pump, powerhead, or on the return line of a canister filter. Includes PL-type compact fluorescent UV Lamp and hang-on-tank bracket, and barbed fittings. For fresh and saltwater use.UV SizeDimensionsBarbed FittingsFlow RateAquarium Size (gallons)9W11" x 2-7/8"1/2" or 5/8"100-200 gphup to 12518W13-1/2" x 5-1/2"5/8" or 1"200-300 gphup to 25036W20-1/2" x 6"5/8" or 1"400-1200 gphup to 500Please click on "More Information" for instructions.

Compact ultraviolet sterilizer with revolutionary "Turbo-Twist" designEasy-to-install UV sterilizers help keep aquarium water crystal clearVersatile UV sterilizer can be installed in-line or hang-on-tank Turbo-Twist?The affordable Turbo-Twist UV, featuring a revolutionary twist flow design, provides 3 times as much UV exposure in a compact, easy-to-install design. Specially designed aquarium ultraviolet sterilizer maximizes UV exposure in a compact, easy-to-install unit. Water traveling through the revolutionary "Turbo-Twist" flow design is exposed to three times more germicidal UV light than in conventional UV sterilizers. The result is clean, crystal clear aquarium water. Multifunctional UV sterilizers can be installed in-line or as a hang-on unit. Simply connect to a water pump, powerhead, or on the return line of a canister filter. Includes PL-type compact fluorescent UV Lamp and hang-on-tank bracket, and barbed fittings. For fresh and saltwater use.UV SizeDimensionsBarbed FittingsFlow RateAquarium Size (gallons)9W11" x 2-7/8"1/2" or 5/8"100-200 gphup to 12518W13-1/2" x 5-1/2"5/8" or 1"200-300 gphup to 25036W20-1/2" x 6"5/8" or 1"400-1200 gphup to 500Please click on "More Information" for instructions.

Compact ultraviolet sterilizer with revolutionary "Turbo-Twist" designEasy-to-install UV sterilizers help keep aquarium water crystal clearVersatile UV sterilizer can be installed in-line or hang-on-tank Turbo-Twist?The affordable Turbo-Twist UV, featuring a revolutionary twist flow design, provides 3 times as much UV exposure in a compact, easy-to-install design. Specially designed aquarium ultraviolet sterilizer maximizes UV exposure in a compact, easy-to-install unit. Water traveling through the revolutionary "Turbo-Twist" flow design is exposed to three times more germicidal UV light than in conventional UV sterilizers. The result is clean, crystal clear aquarium water. Multifunctional UV sterilizers can be installed in-line or as a hang-on unit. Simply connect to a water pump, powerhead, or on the return line of a canister filter. Includes PL-type compact fluorescent UV Lamp and hang-on-tank bracket, and barbed fittings. For fresh and saltwater use.UV SizeDimensionsBarbed FittingsFlow RateAquarium Size (gallons)9W11" x 2-7/8"1/2" or 5/8"100-200 gphup to 12518W13-1/2" x 5-1/2"5/8" or 1"200-300 gphup to 25036W20-1/2" x 6"5/8" or 1"400-1200 gphup to 500Please click on "More Information" for instructions.

Compact ultraviolet sterilizer with revolutionary "Turbo-Twist" designEasy-to-install UV sterilizers help keep aquarium water crystal clearVersatile UV sterilizer can be installed in-line or hang-on-tank Turbo-Twist?The affordable Turbo-Twist UV, featuring a revolutionary twist flow design, provides 3 times as much UV exposure in a compact, easy-to-install design. Specially designed aquarium ultraviolet sterilizer maximizes UV exposure in a compact, easy-to-install unit. Water traveling through the revolutionary "Turbo-Twist" flow design is exposed to three times more germicidal UV light than in conventional UV sterilizers. The result is clean, crystal clear aquarium water. Multifunctional UV sterilizers can be installed in-line or as a hang-on unit. Simply connect to a water pump, powerhead, or on the return line of a canister filter. Includes PL-type compact fluorescent UV Lamp and hang-on-tank bracket, and barbed fittings. For fresh and saltwater use.UV SizeDimensionsBarbed FittingsFlow RateAquarium Size (gallons)9W11" x 2-7/8"1/2" or 5/8"100-200 gphup to 12518W13-1/2" x 5-1/2"5/8" or 1"200-300 gphup to 25036W20-1/2" x 6"5/8" or 1"400-1200 gphup to 500Please click on "More Information" for instructions.