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    Best Seller
    Marineland Diamond Blend Carbon-Ammonia Neutralizing Zeolite Blend 50 oz

    Marineland Diamond Blend Carbon-Ammonia Neutralizing Zeolite Blend 50 oz

    "Dual-action chemical filter media keeps aquarium water clean, clear and fish-safe.Marineland Diamond Blend Carbon-Ammonia Neutralizing Zeolite Blend combines fast-acting Black Diamond Premium Activated Carbon and super-effective White Diamond Ammonia... more

    $6.99

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    (275,000+)
    Marineland Black Diamond Premium Activated Carbon 40 oz

    Marineland Black Diamond Premium Activated Carbon 40 oz

    "Improve aquarium water quality and clarity with Marineland Black Diamond Premium Activated Carbon. Easy-to-use bulk chemical filter media effectively eliminates foul odors, unsightly discoloration, and harmful organic substances to maintain superior... more

    $17.99

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    (275,000+)
    Best Seller
    Marineland Black Diamond Premium Activated Carbon 10 oz

    Marineland Black Diamond Premium Activated Carbon 10 oz

    "Improve aquarium water quality and clarity with Marineland Black Diamond Premium Activated Carbon. Easy-to-use bulk chemical filter media effectively eliminates foul odors, unsightly discoloration, and harmful organic substances to maintain superior... more

    $7.29

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    (275,000+)
    Aquatics Marineland Black Diamond PA0373 Premium Activated Aquarium Carbon, Black, 40 oz Resealable Bottle

    Aquatics Marineland Black Diamond PA0373 Premium Activated Aquarium Carbon, Black, 40 oz Resealable Bottle

    Black Diamond Premium Activated Carbon eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit.Features: Heat-activated bituminous coal-based Black Diamond granules are specially sized and far more... more

    $36.58 $24.88

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    Aquatics Marineland Black Diamond PA0371 Premium Activated Aquarium Carbon, Black, 10 oz Resealable Bottle

    Aquatics Marineland Black Diamond PA0371 Premium Activated Aquarium Carbon, Black, 10 oz Resealable Bottle

    Black Diamond Premium Activated Carbon eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit.Features: Heat-activated bituminous coal-based Black Diamond granules are specially sized and far more... more

    $19.14 $8.82

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    Black Diamond Premium Activated Carbon, Water Size Eclipse Premium Black CarbonAmmonia 2Pack Activated Filters Reef Bags Aquarium Aquariums Packages Coal per Pack.., By MarineLand

    Black Diamond Premium Activated Carbon, Water Size Eclipse Premium Black CarbonAmmonia 2Pack Activated Filters Reef Bags Aquarium Aquariums Packages Coal per Pack.., By MarineLand

    Specifically sized to be more efficientTrusted Marineland CarbonPremium Black Diamond works as much as twice as fast as the competition more

    $25.39

    FREE shipping

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    Marineland PA0373 Black Diamond Activated Carbon, 40-Ounce, 1134-Gram

    Marineland PA0373 Black Diamond Activated Carbon, 40-Ounce, 1134-Gram

    Black diamond premium activated carbon eliminates discoloration, odors, and impurities and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based black diamond granules are specially sized and far more efficient than... more

    $12.99

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    Marineland PA0371 Black Diamond Activated Carbon, 10-Ounce, 283-Gram

    Marineland PA0371 Black Diamond Activated Carbon, 10-Ounce, 283-Gram

    Black diamond premium activated carbon eliminates discoloration, odors, and impurities and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based black diamond granules are specially sized and far more efficient than... more

    $4.00

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    Marineland PA0372 Black Diamond Activated Carbon, 22-Ounce, 624-Gram

    Marineland PA0372 Black Diamond Activated Carbon, 22-Ounce, 624-Gram

    Black diamond premium activated carbon eliminates discoloration, odors, and impurities and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based black diamond granules are specially sized and far more efficient than... more

    $7.46

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    Black Diamond Premium Activated Carbon

    Black Diamond Premium Activated Carbon

    Premium activated carbon eliminates discoloration, odors, and impurities Specially sized and far more efficient than inferior coconut, wood or peat-based carbons Works as much as twice as fast as the competition For use with all aquarium filters more

    $263.13

    FREE shipping

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    Cobalt Aquatics Premium Activated Aquarium Carbon (Black) Blend with Bag

    Cobalt Aquatics Premium Activated Aquarium Carbon (Black) Blend with Bag

    Cobalt Premium Activated Carbon Blend combines bituminous based macro and micro pore carbon to quickly remove heavy metals, discoloration, odors and impurities to make water sparkling over a longer time. Features: Pre-washed for dust free application... more

    $21.75

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    Marineland Premium CarbonAmmonia Neutralizing Diamond Blend (1.87 L)

    Marineland Premium CarbonAmmonia Neutralizing Diamond Blend (1.87 L)

    Offered in a range of convenient sizes, Diamond Filtration Media works faster, longer, better. Performance tested and certified effective by Marineland Labs, each has been compared against the leading brands of chemical filtration media.Diamond Blend... more

    $10.13 $7.99

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    Black Diamond Premium Activated Carbon 22 oz.

    Black Diamond Premium Activated Carbon 22 oz.

    Black Diamond Premium Activated Carbon eliminates foul odors; unsightly discoloration and harmful organic substances for freshwater or marine aquarium filtration. Heat activated bituminous coal based granules are specially sized (won't damage filter... more

    $14.99

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    Black Diamond Premium Activated Carbon 40 oz.

    Black Diamond Premium Activated Carbon 40 oz.

    Black Diamond Premium Activated Carbon eliminates foul odors; unsightly discoloration and harmful organic substances for freshwater or marine aquarium filtration. Heat activated bituminous coal based granules are specially sized (won't damage filter... more

    $23.99

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    Black Diamond Premium Activated Carbon 10 oz.

    Black Diamond Premium Activated Carbon 10 oz.

    Black Diamond Premium Activated Carbon eliminates foul odors; unsightly discoloration and harmful organic substances for freshwater or marine aquarium filtration. Heat activated bituminous coal based granules are specially sized (won't damage filter... more

    $8.99

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    Black Diamond Carbon 16oz (pa0371)

    Black Diamond Carbon 16oz (pa0371)

    Eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based BLACK DIAMOND granules are specially sized and far more efficient than inferior coconut, wood or peat-based... more

    $21.11

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    Aqua-Tech EZ-Change #1 Filter Cartridge for 5-15 Filters (Pack of 6), Black

    Aqua-Tech EZ-Change #1 Filter Cartridge for 5-15 Filters (Pack of 6), Black

    Aqua-Tech makes aquarium maintenance simple and easy. Aqua-Tech EZ-Change Filter Cartridges are color coded for fast and easy selection. These cartridges contain Aqua-Tech premium Activated Carbon for maximum filtration and require no messy assembly -... more

    $43.92

    FREE shipping

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    Black Diamond Carbon 16oz (pa0371)

    Black Diamond Carbon 16oz (pa0371)

    Eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based BLACK DIAMOND granules are specially sized and far more efficient than inferior coconut, wood or peat-based... more

    $21.11

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    Black Diamond Carbon 16oz (pa0371)

    Black Diamond Carbon 16oz (pa0371)

    Eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based BLACK DIAMOND granules are specially sized and far more efficient than inferior coconut, wood or peat-based... more

    $12.99

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    Black Diamond Carbon 16oz (pa0371)

    Black Diamond Carbon 16oz (pa0371)

    Eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based BLACK DIAMOND granules are specially sized and far more efficient than inferior coconut, wood or peat-based... more

    $12.99

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    Black Diamond Carbon 16oz (pa0371)

    Black Diamond Carbon 16oz (pa0371)

    Eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based BLACK DIAMOND granules are specially sized and far more efficient than inferior coconut, wood or peat-based... more

    $21.11

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    Marineland Marineland Rite-Size Premium Activated Carbon Bags for All Magniflow and C-Series Caniste

    Marineland Marineland Rite-Size Premium Activated Carbon Bags for All Magniflow and C-Series Caniste

    Marineland Marineland Rite-Size Premium Activated Carbon Bags for All Magniflow and C-Series Canister Filters: 2 Pack #PA11485 Marineland Rite-Size Premium Activated Carbon Bags for all Magniflow and C-Series Canister Filters. Replacement Carbon Bags... more

    $5.49

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    Marineland Marineland Rite-Size Premium Activated Carbon Bags for All Magniflow and C-Series Caniste

    Marineland Marineland Rite-Size Premium Activated Carbon Bags for All Magniflow and C-Series Caniste

    Marineland Marineland Rite-Size Premium Activated Carbon Bags for All Magniflow and C-Series Canister Filters: BULK - 10 Bags - (5 x 2 Pack) #90322M Marineland Rite-Size Premium Activated Carbon Bags for all Magniflow and C-Series Canister Filters.... more

    $26.50

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    Marineland Diamond Blend Activated Carbon/Ammonia Neutralizing Crystals

    Marineland Diamond Blend Activated Carbon/Ammonia Neutralizing Crystals

    Marineland Diamond Blend Activated Carbon/Ammonia Neutralizing Crystals This special formulation of fast-acting Black Diamond and super-effective White Diamond cleans and conditions aquarium water, ridding it of dissolved organic waste and odors as it... more

    $7.99

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    Marineland Marineland Diamond Blend Premium Carbon-Ammonia Neutralizing Blend: 23 oz #PA0391 - Aquar

    Marineland Marineland Diamond Blend Premium Carbon-Ammonia Neutralizing Blend: 23 oz #PA0391 - Aquar

    Marineland Marineland Diamond Blend Premium Carbon-Ammonia Neutralizing Blend: 23 oz #PA0391 Marineland Diamond Blend Premium Carbon-Ammonia Neutralizing Blend cleans and conditions aquarium water, ridding it of dissolved organic waste and odors as it... more

    $4.48

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    Marineland Black Diamond Bulk Bituminous Carbon 22oz.

    Marineland Black Diamond Bulk Bituminous Carbon 22oz.

    Premium Activated Carbon eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based granules are specially sized and far more efficient than inferior coconut, wood or... more

    $10.99 $9.89

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    Marineland Black Diamond Carbon 5 oz

    Marineland Black Diamond Carbon 5 oz

    * Aquarium chemical filter media for adsorbing organics & neutralizing ammonia * Premium activated carbon eliminates foul odors, unsightly discoloration & harmful organic substances * Our most popular line of aquarium chemical filtration media Improve... more

    $5.99

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    MARINELAND Black Diamond Carbon

    MARINELAND Black Diamond Carbon

    Premium activated carbon and ammonia neutralizing crystals. Highly effective formulations keep tank water cleaner and keep fish healthier. Offered in a range of convenient sizes, Diamond Filtration Media works faster, longer, better. Performance tested... more

    $21.99

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    (375,000+)
    MARINELAND Diamond Blend Carbon

    MARINELAND Diamond Blend Carbon

    Premium activated carbon and ammonia neutralizing crystals. Highly effective formulations keep tank water cleaner and keep fish healthier. Offered in a range of convenient sizes, Diamond Filtration Media works faster, longer, better. Performance tested... more

    $9.99

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    (375,000+)
    MARINELAND White Diamond Carbon

    MARINELAND White Diamond Carbon

    Premium activated carbon and ammonia neutralizing crystals. Highly effective formulations keep tank water cleaner and keep fish healthier. Offered in a range of convenient sizes, Diamond Filtration Media works faster, longer, better. Performance tested... more

    $9.99

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    (375,000+)
    Marineland Black Diamond Carbon 5 Oz

    Marineland Black Diamond Carbon 5 Oz

    Offered in a range of convenient sizes, Diamond Filtration Media works faster, longer, better. Performance tested and certified effective by Marineland Labs, each has been compared against the leading brands of chemical filtration media. more

    $9.79

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    Marineland Black Bulk Bituminous Carbon 40oz.

    Marineland Black Bulk Bituminous Carbon 40oz.

    Premium Activated Carbon eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based BLACK DIAMOND granules are specially sized and far more efficient than inferior... more

    $15.49 $13.94

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    H.o.t. Magnum 250 Canister Filter

    H.o.t. Magnum 250 Canister Filter

    "H. O. T. Magnum Canister Filter, Micron Cartridge, Carbon/Media Container, Filter Sleeve, 8 oz. Black Diamond Premium Activated Carbon. Certified Flow: 250 GPH" more

    $105.43

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    Marineland Tidepool Carbon Pillow

    Marineland Tidepool Carbon Pillow

    Featuring new Black Diamond Premium Activated Carbon! Faster acting than standard carbon filters. For application with Marineland Tidepool 1 and 2. Tidepool Carbon Pillow more

    $7.97

    FREE shipping

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    "Black Diamond Premium Activated Carbon, Color: Black, Size: 5 OUNCE, UPC# 047431901360, Mfg# PA0370"

    "Black Diamond Premium Activated Carbon, Color: Black, Size: 5 OUNCE, UPC# 047431901360, Mfg# PA0370"

    "Black Diamond Premium Activated Carbon Color: Black Size: 5 OUNCE Miscellaneous AquariamAll items are brand new, never worn and never used. We guarantee the authenticity of all items.Thank you for shopping at The Pet Supply Company! " more

    $14.69

    FREE shipping

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    "Black Diamond Premium Activated Carbon, Color: Black, Size: 10 OUNCE, UPC# 047431901377, Mfg# PA037"

    "Black Diamond Premium Activated Carbon, Color: Black, Size: 10 OUNCE, UPC# 047431901377, Mfg# PA037"

    "Black Diamond Premium Activated Carbon Color: Black Size: 10 OUNCE Miscellaneous AquariamAll items are brand new, never worn and never used. We guarantee the authenticity of all items.Thank you for shopping at The Pet Supply Company! " more

    $18.79

    FREE shipping

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    "United Pet Group Tetra-Black Diamond Premium Activated Carbon- Black 22 Ounce"

    "United Pet Group Tetra-Black Diamond Premium Activated Carbon- Black 22 Ounce"

    "BLACK DIAMOND PREMIUM ACTIVATED CARBONUPC : 047431901384Color : BLACKSize : 22 OUNCEProduct Type : Aquatics - Filter Media / Additives" more

    $14.99

    FREE shipping

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    "Black Diamond Premium Activated Carbon, Color: Black, Size: 22 OUNCE, UPC# 047431901384, Mfg# PA037"

    "Black Diamond Premium Activated Carbon, Color: Black, Size: 22 OUNCE, UPC# 047431901384, Mfg# PA037"

    "Black Diamond Premium Activated Carbon Color: Black Size: 22 OUNCE Miscellaneous AquariamAll items are brand new, never worn and never used. We guarantee the authenticity of all items.Thank you for shopping at The Pet Supply Company! " more

    $25.59

    FREE shipping

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    "United Pet Group Tetra-Black Diamond Premium Activated Carbon- Black 5 Ounce"

    "United Pet Group Tetra-Black Diamond Premium Activated Carbon- Black 5 Ounce"

    "BLACK DIAMOND PREMIUM ACTIVATED CARBONUPC : 047431901360Color : BLACKSize : 5 OUNCEProduct Type : Aquatics - Filter Media / Additives" more

    $5.99

    FREE shipping

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    "United Pet Group Tetra-Black Diamond Premium Activated Carbon- Black 10 Ounce"

    "United Pet Group Tetra-Black Diamond Premium Activated Carbon- Black 10 Ounce"

    "BLACK DIAMOND PREMIUM ACTIVATED CARBONUPC : 047431901377Color : BLACKSize : 10 OUNCEProduct Type : Aquatics - Filter Media / Additives" more

    $9.99

    FREE shipping

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