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    Best Seller
    Seachem Safe 250 grams

    Seachem Safe 250 grams

    "Highly concentrated dry bulk conditioner makes large volumes of tap water safe for aquarium use - for less money! Seachem Safe provides a smart, cost effective way to remove chlorine, chloramine, and ammonia as well as detoxify nitrite and nitrate.... more

    $10.47 $8.38

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    (275,000+)
    Seachem Pristine Natural Organic Waste Management 250 ml/8.5 fl oz (Mfg# 1241)

    Seachem Pristine Natural Organic Waste Management 250 ml/8.5 fl oz (Mfg# 1241)

    "Naturally achieve cleaner, clearer aquarium water even in conditions harsh for conventional beneficial bacteria. Seachem Pristine Natural Organic Waste Management effectively breaks down a wide variety of organic compounds in a wider variety of... more

    $8.51 $6.81

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    (275,000+)
    Best Seller
    Seachem Flourish Advance Natural Phytohormone Supplement 250 ml

    Seachem Flourish Advance Natural Phytohormone Supplement 250 ml

    "Experience overall aquarium plant health and development with this all-natural biologic growth enhancer. Seachem Flourish Advance Natural Phytohormone Supplement is an advanced liquid plant supplement that contains phytohormones, minerals, and... more

    $7.29 $5.83

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    (275,000+)
    Reef Carbonate 250 Ml

    Reef Carbonate 250 Ml

    Reef Carbonateis a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. more

    $8.99

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    Reef Calcium 250 Ml

    Reef Calcium 250 Ml

    Reef Calcium is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH.~~Polygluconate complexation confers several benefits: it increases the bioavailability of... more

    $12.99

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    Alkaline Buffer 250 Gm

    Alkaline Buffer 250 Gm

    Alkaline Buffer is a non-phosphate buffer designed to raise pH and alkalinity (KH) and buffer with Acid Buffer. These buffers are designed for the planted aquarium or for very hard water where phosphate buffers may pose an algae or cloudiness problem.... more

    $12.99

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    Seachem Tidal 55 Matrix Carbon Aquarium Filters, 4,7 Oz, As Shown

    Seachem Tidal 55 Matrix Carbon Aquarium Filters, 4,7 Oz, As Shown

    Seachem Tidal 55 Matrix Carbon Aquarium Filters For more than 30 years, aquarium hobbyists have turned to Seachem Laboratories for products designed by chemists and biologists. Seachem Tidal 55 Power Filter is designed for a 55-gallon tank. It has... more

    $10.98

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    Seachem Tidal 75 Matrix Carbon (Black) Aquarium Filters, 6.4 Oz

    Seachem Tidal 75 Matrix Carbon (Black) Aquarium Filters, 6.4 Oz

    Seachem Tidal 75 Matrix Carbon Aquarium Filters For more than 30 years, aquarium hobbyists have turned to Seachem Laboratories for products designed by chemists and biologists. Seachem Tidal 75 Power Filter is designed for a 75-gallon tank. It has... more

    $11.99

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    Seachem Tidal 75 Zeolite Aquarium Filters, 8.4 Oz

    Seachem Tidal 75 Zeolite Aquarium Filters, 8.4 Oz

    Seachem Tidal 75 Zeolite Aquarium Filters For more than 30 years, aquarium hobbyists have turned to Seachem Laboratories for products designed by chemists and biologists. Seachem Tidal 75 Power Filter is designed for a 75-gallon tank. It has features... more

    $8.31

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    Seachem Laboratories Vibrant Sea Aquarium Treatment, 60 gallon/227 L

    Seachem Laboratories Vibrant Sea Aquarium Treatment, 60 gallon/227 L

    Red Sea Vibrant Sea is a blend of salts formulated for marine and reef aquariums that contains all essential major, minor, and trace components found in natural seawaters, plus the added advantage of enhanced potassium levels. Its formulation is ideal... more

    $22.51

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    Seachem Laboratories Vibrant Sea Aquarium Treatment, 220 gallon/833 L

    Seachem Laboratories Vibrant Sea Aquarium Treatment, 220 gallon/833 L

    Red Sea Vibrant Sea is a blend of salts formulated for marine and reef aquariums that contains all essential major, minor, and trace components found in natural seawaters, plus the added advantage of enhanced potassium levels. Its formulation is ideal... more

    $76.73

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    Reef Carbonate 250 Ml

    Reef Carbonate 250 Ml

    Reef Carbonateis a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. more

    $6.99

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    Reef Calcium 250 Ml

    Reef Calcium 250 Ml

    Reef Calcium is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH.~~Polygluconate complexation confers several benefits: it increases the bioavailability of... more

    $11.99

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    Reef Iodide 250 Ml

    Reef Iodide 250 Ml

    Reef Iodide is a concentrated (8,000 mg/L) stabilized potassium iodide source for reef aquaria that will restore and maintain iodide levels to those found in natural sea water. It is formulated to provide a safe source of iodide that will not convert... more

    $11.99

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    Renew, 250 mL / 8.5 oz.

    Renew, 250 mL / 8.5 oz.

    Renew is ideal for use in systems where phosphate released from all activated carbons poses a problem. Renew is also less aggressive than carbon, making it well suited for reefs and planted aquaria. It is also beneficial for use in soft water aquaria... more

    $10.33

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    Seachem Laboratories HYDROTOTE for Aquarium 10 L/2.5 fl. gallon

    Seachem Laboratories HYDROTOTE for Aquarium 10 L/2.5 fl. gallon

    Seachem Laboratories HYDROTOTE for Aquarium 10 L/2.5 fl. gallon more

    $10.95

    FREE shipping

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    Seachem Flourish - Comprehensive Supplement for the Planted Aquarium 250 mL

    Seachem Flourish - Comprehensive Supplement for the Planted Aquarium 250 mL

    Seachem Flourish - Comprehensive Supplement for the Planted Aquarium 2 Liter more

    $12.10

    FREE shipping

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    Seachem Prime Water Conditioner 250 ml - (Treats 2,500 Gallons)

    Seachem Prime Water Conditioner 250 ml - (Treats 2,500 Gallons)

    Concentrated conditioner for marine and freshwater Eliminates chlorine and chloramine Neutralizes ammonia, nitrate and nitrite toxicity Protects fish with slime coat more

    $14.13

    FREE shipping

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    Alkaline Buffer - 1.3 lb.

    Alkaline Buffer - 1.3 lb.

    Alkaline Buffer helps maintain a high pH in your aquarium. Ideal for buffering to a pH of 7.8; this powder can manage any pH between 7.2 and 8.5. Treats 1000 gallons. more

    $10.36

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    Seachem Seachem Malawi Victoria Buffer: 10.6 oz - (Treats 600 - 1,200 Gallons) #296 - Aquarium Water

    Seachem Seachem Malawi Victoria Buffer: 10.6 oz - (Treats 600 - 1,200 Gallons) #296 - Aquarium Water

    Seachem Seachem Malawi Victoria Buffer: 10.6 oz - (Treats 600 - 1,200 Gallons) #296 Seachem Malawi/Victoria Buffer is a blend of carbonate salts designed to enhance the natural environment of cichlids by increasing hardness and buffer capacity, and... more

    $6.05

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    Seachem Seachem Alkaline Buffer: 10.5 oz (300 Grams) - Treats 420 Gallons #236 - Aquarium Water Buff

    Seachem Seachem Alkaline Buffer: 10.5 oz (300 Grams) - Treats 420 Gallons #236 - Aquarium Water Buff

    Seachem Seachem Alkaline Buffer: 10.5 oz (300 Grams) - Treats 420 Gallons #236 SeaChem Alkaline Buffer is a non-phosphate buffer to raise pH and alkalinity (KH) and buffer with Acid Buffer. These buffers are designed for the planted aquarium or for... more

    $6.30

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    Seachem Seachem Clarity Water Clarifier: 8.5 oz - (250 mL) #146 - Aquarium Water Clarifiers

    Seachem Seachem Clarity Water Clarifier: 8.5 oz - (250 mL) #146 - Aquarium Water Clarifiers

    Seachem Seachem Clarity Water Clarifier: 8.5 oz - (250 mL) #146 Seachem Clarity is the ultimate clarifier for both fresh and saltwater. It employs an advanced polymeric flocculating agent that is both reef and plant safe. Clarity is the only clarifier... more

    $7.13

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    Tanganyika Buffer 250 grams

    Tanganyika Buffer 250 grams

    Tanganyika Buffer is a blend of carbonate salts to adjust the pH and increase the hardness and buffering capacity of your African Cichlid Aquarium. Maintains a pH of 9.0-9.4. 250 gram powder treats up to 1600 gallons. 500 ml liquid treats 1000 gallons. more

    $5.99

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    CupriSorb 250 mL

    CupriSorb 250 mL

    Powerful absorbent of copper and heavy metals. Rapidly extracts all types of copper from filter beds allowing invertebrates into aquariums previously treated with copper. 100 ml. treats up to 60 gallons and removes over 1300 mg. of copper. May be... more

    $14.99

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    Flourish Potassium 250 mL

    Flourish Potassium 250 mL

    Potassium is an important element needed by all plants which rapidly become depleted in natural aquarium. Regular potassium addition ensures healthy thriving plants. Use 1 ml. per 10 gallons 2-3 times per week. more

    $5.99

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    "Seachem Laboratories Inc-Stability 250 Milliliter"

    "Seachem Laboratories Inc-Stability 250 Milliliter"

    "STABILITYWill rapidly and safely establish the aquarium bio filter in freshwater and marine systems, preventing new tank syndrome. Formulated specifically for the aquarium and contains a synergistic blend of aerobic, anaerobic and faculative... more

    $9.99

    FREE shipping

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    "Flourish, Size: 250 MILLILITER, UPC# 000116051606, Mfg# 516, Free Shipping"

    "Flourish, Size: 250 MILLILITER, UPC# 000116051606, Mfg# 516, Free Shipping"

    "Flourish Size: 250 MILLILITER Miscellaneous AquariamA comprehensive plant supplement for the natural freshwater aquarium.Contains a rich assortment of important micro elements, trace elements and other nutrients.Includes calcium, magnesium, iron and... more

    $16.24

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    "Seachem Laboratories Inc-Reef Iodide 250 Milliliter"

    "Seachem Laboratories Inc-Reef Iodide 250 Milliliter"

    "REEF IODIDEStabilized potassium iodide source for reef aquaria that will restore and maintain iodide levels to those found in nature.Formulated to provide a safe source of iodide that will not covert to toxic free iodine under storage or reef... more

    $7.99

    FREE shipping

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    "Reef Iodide, Size: 250 MILLILITER, UPC# 000116055604, Mfg# 556, Free Shipping"

    "Reef Iodide, Size: 250 MILLILITER, UPC# 000116055604, Mfg# 556, Free Shipping"

    "Reef Iodide Size: 250 MILLILITER Miscellaneous AquariamStabilized potassium iodide source for reef aquaria that will restore and maintain iodide levels to those found in nature.Formulated to provide a safe source of iodide that will not covert to... more

    $16.30

    FREE shipping

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    "Seachem Laboratories Inc-Flourish 250 Milliliter"

    "Seachem Laboratories Inc-Flourish 250 Milliliter"

    "FLOURISHA comprehensive plant supplement for the natural freshwater aquarium.Contains a rich assortment of important micro elements, trace elements and other nutrients.Includes calcium, magnesium, iron and other important elements that been shown to... more

    $7.99

    FREE shipping

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    "Flourish Potassium, Size: 250 MILLILITER, UPC# 000116046602, Mfg# 466, Free Shipping"

    "Flourish Potassium, Size: 250 MILLILITER, UPC# 000116046602, Mfg# 466, Free Shipping"

    "Flourish Potassium Size: 250 MILLILITER Miscellaneous AquariamContains 50000 mg/l of potassium suitable for the natural planted aquarium.One of several elements that are vitally important to maintaing a vigorous level of growth in a planted... more

    $16.26

    FREE shipping

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    Seachem Vibrant Sea 220 gallons

    Seachem Vibrant Sea 220 gallons

    "Highly concentrated, fast-dissolving Seachem Vibrant Sea salt mix blends salts formulated for marine and reef aquariums. This convenient salt mix contains all essential major, minor, and trace components found in natural seawaters, plus the added... more

    $69.15 $55.32

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    (275,000+)
    Seachem HydroTote Collapsible Water Jug 5 gallon capacity

    Seachem HydroTote Collapsible Water Jug 5 gallon capacity

    "Tired of buckets for aquarium use eating up valuable space? Seachem HydroTote Collapsible Water Jug offers a simple and innovative solution great for aquarium hobbyists that purchase prepared saltwater, reverse osmosis (RO), or deionized (DI) water by... more

    $10.87 $8.70

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    (275,000+)
    Reef Iodide 250 Ml

    Reef Iodide 250 Ml

    Reef Iodide is a concentrated (8,000 mg/L) stabilized potassium iodide source for reef aquaria that will restore and maintain iodide levels to those found in natural sea water. It is formulated to provide a safe source of iodide that will not convert... more

    $12.99

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    Acid Buffer 250 Gm

    Acid Buffer 250 Gm

    Acid Buffer is a non-phosphate buffer to lower pH and buffer with Alkaline Buffer. Both buffers are designed for the planted aquarium or for very hard water where phosphate buffers may pose an algae or cloudiness problem. Acid Buffer lowers pH and... more

    $12.99

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    Seachem StressGuard Fish Stress Reducer 250 ml / 8.5 fl oz (Mfg# 526)

    Seachem StressGuard Fish Stress Reducer 250 ml / 8.5 fl oz (Mfg# 526)

    "Multipurpose aquarium water conditioner provides premium slime coat protection while promoting wound healing of injured fish. Seachem StressGuard Fish Stress Reducer provides a simple and effective way to reduce stress and ammonia toxicity during... more

    $7.86 $6.29

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    (275,000+)
    Seachem Tidal 75 MatrixPouch Aquarium Filters, 11.8 Oz, As Shown

    Seachem Tidal 75 MatrixPouch Aquarium Filters, 11.8 Oz, As Shown

    Seachem Tidal 75 MatrixPouch Aquarium Filters For more than 30 years, aquarium hobbyists have turned to Seachem Laboratories for products designed by chemists and biologists. Seachem Tidal 75 Power Filter is designed for a 75-gallon tank. It has... more

    $20.95

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    Seachem Tidal 110 Matrix Aquarium Filters, 16.9 Oz, As Shown

    Seachem Tidal 110 Matrix Aquarium Filters, 16.9 Oz, As Shown

    Seachem Tidal 0 Matrix Aquarium Filters For more than 30 years, aquarium hobbyists have turned to Seachem Laboratories for products designed by chemists and biologists. Seachem Tidal 110 Power Filter is designed for a 110-gallon tank. It has features... more

    $7.95

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    Seachem Tidal 100 Matrix Carbon (Black) Aquarium Filters, 9.2 Oz

    Seachem Tidal 100 Matrix Carbon (Black) Aquarium Filters, 9.2 Oz

    Seachem Tidal 00 Matrix Carbon Aquarium Filters For more than 30 years, aquarium hobbyists have turned to Seachem Laboratories for products designed by chemists and biologists. Seachem Tidal 100 Power Filter is designed for a 100-gallon tank. It has... more

    $14.02

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    Seachem Tidal 55 Matrix Power Aquarium Filters, 8.4 Oz, As Shown

    Seachem Tidal 55 Matrix Power Aquarium Filters, 8.4 Oz, As Shown

    Seachem Tidal 55 Matrix Power Aquarium Filters For more than 30 years, aquarium hobbyists have turned to Seachem Laboratories for products designed by chemists and biologists. Seachem Tidal 55 Power Filter is designed for a 55-gallon tank. It has... more

    $20.49

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