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Chemical filter media for fresh and saltwater aquariumsEffectively removes protein and other organic aquarium pollutantsRegenerate Purigen chemical filter media for extended aquarium usePremium synthetic adsorbent removes soluble and insoluble aquarium impurities. Purigen is a macro-porous, synthetic polymer that removes proteins and a broad spectrum of organics at a rate and capacity that exceeds all other chemical filter media by over 500 percent. Controls ammonia, nitrite, and nitrate, by removing nitrogenous organic waste materials. Seachem Purigen also significantly raises redox to improve aquarium water quality and clarity.Exhaustion is indicated by discoloration, and it can be regenerated easily. For marine and freshwater aquariums. 100 ml treats up to 100 gallons, for up to 6 months.Please click on "More Information" for directions for use.

Chemical filter media for fresh and saltwater aquariumsEffectively removes protein and other organic aquarium pollutantsRegenerate Purigen chemical filter media for extended aquarium usePremium synthetic adsorbent removes soluble and insoluble aquarium impurities. Purigen is a macro-porous, synthetic polymer that removes proteins and a broad spectrum of organics at a rate and capacity that exceeds all other chemical filter media by over 500 percent. Controls ammonia, nitrite, and nitrate, by removing nitrogenous organic waste materials. Seachem Purigen also significantly raises redox to improve aquarium water quality and clarity.Exhaustion is indicated by discoloration, and it can be regenerated easily. For marine and freshwater aquariums. 100 ml treats up to 100 gallons, for up to 6 months.Please click on "More Information" for directions for use.

Chemical filter media for fresh and saltwater aquariumsEffectively removes protein and other organic aquarium pollutantsRegenerate Purigen chemical filter media for extended aquarium usePremium synthetic adsorbent removes soluble and insoluble aquarium impurities. Purigen is a macro-porous, synthetic polymer that removes proteins and a broad spectrum of organics at a rate and capacity that exceeds all other chemical filter media by over 500 percent. Controls ammonia, nitrite, and nitrate, by removing nitrogenous organic waste materials. Seachem Purigen also significantly raises redox to improve aquarium water quality and clarity.Exhaustion is indicated by discoloration, and it can be regenerated easily. For marine and freshwater aquariums. 100 ml treats up to 100 gallons, for up to 6 months.Please click on "More Information" for directions for use.

Skimmer and waterfall pump

Skimmer and waterfall pump

Skimmer and waterfall pump

Skimmer and waterfall pump

Hang-on style requires no additional plumbing and no under-cabinet spaceEverything you need to give your aquarium the benefits of macroalgae and microorganismsFits all glass and most acrylic aquariumsSame great performance as the standard EcoSystem - but with the addition of a Bak-Pak Protein Skimmer to adsorb and entrap wastes. Includes everything you need to get started - even the lighting. Convenient, hang-on style requires no under-tank cabinet space and no additional plumbing. Grow beneficial macroalgae and microorganisms for improved water quality and to feed your aquarium fish and invertebrates the way nature intended. Fits all glass and most acrylic aquariums. Requires 5" between back of aquarium and wall. Pro40: For 10 - 40 gallon aquariums; 21.25"L x 4.5"W x 13"H (without light). Includes: Refugium Tank, 3.5 lbs of Miracle Mud, 13W Power Compact Light Fixture, Rio 600 Pump, Return Jet, Skim Box, Sponge and U-tube, and a Modified CPR Bak-Pak Protein Skimmer.Pro60: Supports 40 - 60 gallon aquariums; 30" x 4-1/2" x 11-1/2" high. Includes: Refugium Tank, 7 lbs of Miracle Mud, 18W Power Compact Light Fixture, Rio 600 Pump, Return Jet, Skim Box, Sponge and U-tube, and a Modified CPR Bak-Pak Protein Skimmer.Please click on "More Information" for directions for use.

Integrated priming starter for fast and easy filter startupVisual flow meter tells you when to cleanIndividual media baskets simplify cleaning while retaining biological bacteria coloniesAutomatic opening and closing of integrated stop valvesPower and flexibility for the mid-sized aquarium. Single intake/output system pumps water through multiple filtration layers you can customize with the media of your choice (Ehfisubstrat Pro and Ehfimech included), for superior filtration. Ingenious double tap connector combines all valves, shut-offs, and safety clamps in one convenient unit. Includes one coarse and one fine filter pad, strainer, diffuser, tubing and hoses. 2026 (4.9L/1.3 gallon filter capacity, 250 gph) includes two media baskets and 2028 (7.3L/1.9 gallon, 275 gph) includes three media baskets; both function in marine and freshwater aquariums.Pro II 2026 Kit includes:Filter 2026, 2L Ehfisubstrat Pro, 1L Ehfimech, strainer, diffuser, tubing and hoses. For use in aquariums up to 100 gallons.Pro II 2028 Kit includes:Filter 2028, 2L Ehfisubstrat Pro, 1L Ehfimech, strainer, diffuser, tubing and hoses. For use in aquariums up to 160 gallons.

REMOVES DEBRIS AND CHEMICAL WASTE FROM AQUARIUMS