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    • eBay
      • Home & Garden
      • Yard, Garden & Outdoor Living
    • Home & Garden
    • Yard, Garden & Outdoor Living
    • Ponds & Water Features
    • Pond Water Treatments

    Pond Water Treatments

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    • Ponds & Water Features
    • Pond Water Treatments
    • Complete Pond Kits
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    • Waterfall Boxes & Spillways
    • Wildlife Protection

    Best Selling

    See All- Best Selling
    • Aquascape 98895 Liquid Aquascapepro Cold Water Beneficial Bacteria 4 L/1.1 Gal
      Aquascape 98895 Liquid Aquascapepro Cold Water Beneficial Bacteria 4 L/1.1 Gal
      $89.99 New
    • Ecological Laboratories 10PLG4 Microbe Lift PL 1 Gallon
      Ecological Laboratories 10PLG4 Microbe Lift PL 1 Gallon
      (64)Total Ratings 64
      $56.75 New
    • EasyCare 50064 Fountec Algaecide and Clarifier - 64oz
      EasyCare 50064 Fountec Algaecide and Clarifier - 64oz
      (35)Total Ratings 35
      $59.99 New
    • PondWorx Lake & Pond Dye - Blue Ultra Concentrated - 1 Quart
      PondWorx Lake & Pond Dye - Blue Ultra Concentrated - 1 Quart
      (3)Total Ratings 3
      $30.27 New
    • Airmax 530099 Pond Dye
      Airmax 530099 Pond Dye
      (14)Total Ratings 14
      $24.99 New
    • API Pond Algaefix Algae Control Solution 8ounce Bottle
      API Pond Algaefix Algae Control Solution 8ounce Bottle
      (13)Total Ratings 13
      $12.78 New
    • Biosafe Systems 3015-50 GreenClean Granular Algaecide 50 Lbs
      Biosafe Systems 3015-50 GreenClean Granular Algaecide 50 Lbs
      (7)Total Ratings 7
      $155.16 New
    • Evolution Aqua Pure Pond Pump Bomb
      Evolution Aqua Pure Pond Pump Bomb
      (7)Total Ratings 7
      $19.99 New
    • All

    • Auction

    • Buy It Now

    • Best Match
    • Time: ending soonest
    • Time: newly listed
    • Price + Shipping: lowest first
    • Price + Shipping: highest first
    • Distance: nearest first
    • List View

    2,802 Results

      • Beneficial Bacteria
      • Algae Control
      • Clarifier
      • Conditioner
      • Sludge Control
      • Barley Straw
      • Dechlorinator
      • pH Adjuster
      • Pond Tint
      • Insect Control
      • All Listings filter applied
    • Microbe-Lift PBL Bacteria for 1, 2, 4, 12 Gallons SPRING SALE Free Shipping

      Microbe-Lift PBL Bacteria for 1, 2, 4, 12 Gallons SPRING SALE Free Shipping

      $45.00 to $75.00
      Free shipping
      3 watching
      SPONSORED
    • COPPER SULFATE -10 POUNDS BULK- WORKS AWESOME ON ALGAE & POND WEEDS 99% PURE

      COPPER SULFATE -10 POUNDS BULK- WORKS AWESOME ON ALGAE & POND WEEDS 99% PURE

      $34.75
      Free shipping
      1,414 sold
    • Airmax 4x Concentrated Pond Dye, Liquid Color, Safe for Recreation, Wildlife

      Airmax 4x Concentrated Pond Dye, Liquid Color, Safe for Recreation, Wildlife

      (14)14 product ratings - Airmax 4x Concentrated Pond Dye, Liquid Color, Safe for Recreation, Wildlife
      $24.99 to $29.99
      Free shipping
      577 sold
    • Airmax Algae Defense Pond Algae Control Treatment, For Clearer Pond Water, EPA

      Airmax Algae Defense Pond Algae Control Treatment, For Clearer Pond Water, EPA

      (4)4 product ratings - Airmax Algae Defense Pond Algae Control Treatment, For Clearer Pond Water, EPA
      $49.99
      Free shipping
      132 sold
    • Pond & Lake MUCK remover Pellets sludge reducer Bacteria Enzymes Probiotics

      Pond & Lake MUCK remover Pellets sludge reducer Bacteria Enzymes Probiotics

      $23.98 to $513.00
      Free shipping
      73 sold
    • API Pond Care  Stress Coat Plus  32 oz. Fish and Water Conditioner 140 G

      API Pond Care Stress Coat Plus 32 oz. Fish and Water Conditioner 140 G

      $25.98
      Free shipping
    • CrystalClear Algae D-Solv Pond Algae Control, Fast-Acting EPA Registered

      CrystalClear Algae D-Solv Pond Algae Control, Fast-Acting EPA Registered

      $16.99 to $109.99
      Free shipping
      102 sold
    • 4X Blue Pond Dye - Transforms Murky Brown Water to Natural Blue Color - Super -

      4X Blue Pond Dye - Transforms Murky Brown Water to Natural Blue Color - Super -

      $31.88
      Free shipping
      Only 1 left!
    • Liquid Pond and Lake Dye  1/2 gallon jug

      Liquid Pond and Lake Dye 1/2 gallon jug

      $24.00
      Free shipping
    • CrystalClear MuckOff, Natural Pond Muck Remover, Clears Away Muck & Sludge,

      CrystalClear MuckOff, Natural Pond Muck Remover, Clears Away Muck & Sludge,

      $18.99 to $139.99
      Free shipping
      47 sold
    • Webb's Water Gardens Barley Straw Extract for Ponds, 1 Gallon

      Webb's Water Gardens Barley Straw Extract for Ponds, 1 Gallon

      $39.99
      Free shipping
    • CrystalClear RapiClear Liquid Flocculent - Pond Water Clarifier

      CrystalClear RapiClear Liquid Flocculent - Pond Water Clarifier

      (1)1 product ratings - CrystalClear RapiClear Liquid Flocculent - Pond Water Clarifier
      $14.99 to $62.99
      Free shipping
      90 sold
    • CrystalClear Barley Extract Concentrate - Natural Liquid Pond Clarifier - 1

      CrystalClear Barley Extract Concentrate - Natural Liquid Pond Clarifier - 1

      (2)2 product ratings - CrystalClear Barley Extract Concentrate - Natural Liquid Pond Clarifier - 1
      $16.99 to $109.99
      Free shipping
      48 sold
    • Microbe-Lift Liquid Barley Straw Extract WINTER SALE Free Shipping

      Microbe-Lift Liquid Barley Straw Extract WINTER SALE Free Shipping

      $43.00 to $77.00
      Free shipping
      SPONSORED
    • Navigate Granular Herbicide (50 lb Bag)

      Navigate Granular Herbicide (50 lb Bag)

      $280.20
      Free shipping
      112 sold
      SPONSORED
    • API Pond ALGAEFIX Algae Control Solution 8 oz. Bottle

      API Pond ALGAEFIX Algae Control Solution 8 oz. Bottle

      (13)13 product ratings - API Pond ALGAEFIX Algae Control Solution 8 oz. Bottle
      $12.99
      Free shipping
      259 sold
      SPONSORED
    • Airmax MuckAway, Natural Pond Muck Remover, Cleans & Clears Away Muck & Sludge,

      Airmax MuckAway, Natural Pond Muck Remover, Cleans & Clears Away Muck & Sludge,

      (1)1 product ratings - Airmax MuckAway, Natural Pond Muck Remover, Cleans & Clears Away Muck & Sludge,
      $89.99 to $349.99
      Free shipping
      20 sold
    • G-Juice Livewell Treatment and Fish Care Formula

      G-Juice Livewell Treatment and Fish Care Formula

      (9)9 product ratings - G-Juice Livewell Treatment and Fish Care Formula
      $4.99 to $64.59
      Free shipping
      91 sold
    • API POND ALGAEFIX Algae Control,Effectively Controls Green Water,Use As Directed

      API POND ALGAEFIX Algae Control,Effectively Controls Green Water,Use As Directed

      $37.87
      Free shipping
    • COPPER SULFATE-20 POUNDS-WORKS GREAT ON  ALGAE & POND WEEDS! 99% PURE

      COPPER SULFATE-20 POUNDS-WORKS GREAT ON ALGAE & POND WEEDS! 99% PURE

      $62.75
      Free shipping
      821 sold
    • Airmax Pond Dye Water Soluble Packs, 2 Packs Equal 1 Gal of Diluted Dye

      Airmax Pond Dye Water Soluble Packs, 2 Packs Equal 1 Gal of Diluted Dye

      $34.99 to $199.99
      Free shipping
      30 sold
    • MICROBE-LIFT PL 1 GALLON POND CLARIFIER 10PLG4

      MICROBE-LIFT PL 1 GALLON POND CLARIFIER 10PLG4

      (64)64 product ratings - MICROBE-LIFT PL 1 GALLON POND CLARIFIER 10PLG4
      $58.16
      Free shipping
    • Airmax Shoreline Defense Aquatic Herbicide

      Airmax Shoreline Defense Aquatic Herbicide

      (1)1 product ratings - Airmax Shoreline Defense Aquatic Herbicide
      $49.99 to $149.99
      Free shipping
    • NATURAL DRIED JACK FRUIT leaves - BioFilm Shrimp Aquarium leaves

      NATURAL DRIED JACK FRUIT leaves - BioFilm Shrimp Aquarium leaves

      $20.00
      $5.40 shipping
      or Best Offer
    • AlgaeFix Pond/Fountain Works Fast 8oz bottle treats 2400gal Safe for Fish/Plants

      AlgaeFix Pond/Fountain Works Fast 8oz bottle treats 2400gal Safe for Fish/Plants

      (13)13 product ratings - AlgaeFix Pond/Fountain Works Fast 8oz bottle treats 2400gal Safe for Fish/Plants
      $12.78
      Was: $15.03
      Free shipping
    • API Pond AlgaeFix 16oz Fast Algae Growth Control Water Gardens Fountains Ponds

      API Pond AlgaeFix 16oz Fast Algae Growth Control Water Gardens Fountains Ponds

      $19.99
      Was: $23.52
      Free shipping
      or Best Offer
      19 sold
    • Webb's Water Gardens Barley Straw Pellets for Ponds & Lakes, 40 lbs

      Webb's Water Gardens Barley Straw Pellets for Ponds & Lakes, 40 lbs

      $87.99
      Free shipping
    • CrystalClear PondTint Pond Dye - Shade & Protect Your Pond - 16 Ounce Bottle

      CrystalClear PondTint Pond Dye - Shade & Protect Your Pond - 16 Ounce Bottle

      $12.99
      Free shipping
      259 sold
    • CrystalClear CC073-1G Algae D-Solve 128oz Liquid EPA Algaecide Pond Control

      CrystalClear CC073-1G Algae D-Solve 128oz Liquid EPA Algaecide Pond Control

      $69.99
      Free shipping
      SPONSORED
    • API PondCare AlgaeFix 1 Gallon Pond Algae Control 169C

      API PondCare AlgaeFix 1 Gallon Pond Algae Control 169C

      $68.98
      Free shipping
      SPONSORED
    • API Pond-Zyme Sludge Destroyer Pond Cleaner 1 lb.

      API Pond-Zyme Sludge Destroyer Pond Cleaner 1 lb.

      $35.99
      Free shipping
      88 sold
      SPONSORED
    • Summit 130 Clear-water Barley Straw Bales, 2-Pack

      Summit 130 Clear-water Barley Straw Bales, 2-Pack

      $12.48
      Free shipping
      Only 1 left!
      SPONSORED
    • The Pond Guy PondShade  Pond Dye Gallon

      The Pond Guy PondShade Pond Dye Gallon

      $41.94 to $51.94
      Free shipping
      44 sold
    • Crystal Blue Lake and Pond Dye - Royal Blue Color - 1 Gallon

      Crystal Blue Lake and Pond Dye - Royal Blue Color - 1 Gallon

      (2)2 product ratings - Crystal Blue Lake and Pond Dye - Royal Blue Color - 1 Gallon
      $38.99
      Free shipping
    • Barley Straw In Mesh Bag

      Barley Straw In Mesh Bag

      $9.98
      Free shipping
    • McGrayel Algatec 10064 Super Algaecide for Green Yellow and Black Algae 64 Ounce

      McGrayel Algatec 10064 Super Algaecide for Green Yellow and Black Algae 64 Ounce

      (16)16 product ratings - McGrayel Algatec 10064 Super Algaecide for Green Yellow and Black Algae 64 Ounce
      $39.99
      Free shipping
    • Pondworx Pond Bacteria - Concentrated  Formulated for Large Ponds Water Feat...

      Pondworx Pond Bacteria - Concentrated Formulated for Large Ponds Water Feat...

      $23.74
      Free shipping
      Only 1 left!
    • Summit...responsible solutions Summit 130 Clear-water Barley Straw Bales, 2-Pack

      Summit...responsible solutions Summit 130 Clear-water Barley Straw Bales, 2-Pack

      (79)79 product ratings - Summit...responsible solutions Summit 130 Clear-water Barley Straw Bales, 2-Pack
      $13.99
      Free shipping
    • Hydrothol 191 Granular Aquatic Herbicide

      Hydrothol 191 Granular Aquatic Herbicide

      $139.50 to $239.50
      Free shipping
      50 sold
      SPONSORED
    • Microbe-Lift Sludge Away SPRING SALE PRICES 2, 4, 8 and 12 Gals Free Shipping

      Microbe-Lift Sludge Away SPRING SALE PRICES 2, 4, 8 and 12 Gals Free Shipping

      $69.00 to $337.00
      Free shipping
      SPONSORED
    • CrystalClear Nature's Choice Barley Straw Pellets - Natural Pond Treatment

      CrystalClear Nature's Choice Barley Straw Pellets - Natural Pond Treatment

      $15.99 to $24.99
      Free shipping
      24 sold
    • Hikari Ultimate Pond Water Conditioner 1 Gallon

      Hikari Ultimate Pond Water Conditioner 1 Gallon

      (2)2 product ratings - Hikari Ultimate Pond Water Conditioner 1 Gallon
      $48.79
      Free shipping
      133 sold
    • CrystalClear ParaSalt - Pond Salt For Koi & Goldfish

      CrystalClear ParaSalt - Pond Salt For Koi & Goldfish

      (2)2 product ratings - CrystalClear ParaSalt - Pond Salt For Koi & Goldfish
      $24.99 to $39.99
      Free shipping
      36 sold
    • CrystalClear PondShock Organic Ball With Natural Live Bacteria For Crystal

      CrystalClear PondShock Organic Ball With Natural Live Bacteria For Crystal

      (16)16 product ratings - CrystalClear PondShock Organic Ball With Natural Live Bacteria For Crystal
      $21.99
      Free shipping
      252 sold
    • Sterilight S810RL Compatible UV Lamp for S8Q-PA, S8Q-PA/2 S8Q, S8Q/2 S8Q-GOLD

      Sterilight S810RL Compatible UV Lamp for S8Q-PA, S8Q-PA/2 S8Q, S8Q/2 S8Q-GOLD

      $25.99
      Free shipping
      875 sold
    • Nualgi Ponds  Algae Water Destroyer and Pond Balance Treatment

      Nualgi Ponds Algae Water Destroyer and Pond Balance Treatment

      (16)16 product ratings - Nualgi Ponds Algae Water Destroyer and Pond Balance Treatment
      $30.00 to $120.00
      120 sold
    •  Aquascape Algaecide For Pond Waterfall & Water Features 32 oz 96024

      Aquascape Algaecide For Pond Waterfall & Water Features 32 oz 96024

      (5)5 product ratings - Aquascape Algaecide For Pond Waterfall & Water Features 32 oz 96024
      $24.99
      Free shipping
    • COPPER SULFATE 5 POUNDS GET RID OF ALGAE & POND WEEDS

      COPPER SULFATE 5 POUNDS GET RID OF ALGAE & POND WEEDS

      $24.75
      1,810 sold

    Results Pagination - Page 1

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    Top Rated

    See All- Top Rated
    • EasyCare FounTec Algaecide and Clarifier 8 Fl. Oz. Bottle
      EasyCare FounTec Algaecide and Clarifier 8 Fl. Oz. Bottle
      (48)Total Ratings 48
      100% agree - Would recommend
      $18.99 New
    • EasyCare 50064 Fountec Algaecide and Clarifier - 64oz
      EasyCare 50064 Fountec Algaecide and Clarifier - 64oz
      (35)Total Ratings 35
      100% agree - Would recommend
      $59.99 New
    • Aquascape Water Beneficial Bacteria - 98949 (1.1lb)
      Aquascape Water Beneficial Bacteria - 98949 (1.1lb)
      (25)Total Ratings 25
      100% agree - Would recommend
      $33.91 New
    • Microbe Lift 32-Ounce Pond Algaway 5.4 ALGA32
      Microbe Lift 32-Ounce Pond Algaway 5.4 ALGA32
      (14)Total Ratings 14
      100% agree - Would recommend
      $24.99 New
    • Airmax 530099 Pond Dye
      Airmax 530099 Pond Dye
      (14)Total Ratings 14
      100% agree - Would recommend
      $24.99 New
    • CrystalClear 24250 Vanish Dechlorinating Granules 2 LB
      CrystalClear 24250 Vanish Dechlorinating Granules 2 LB
      (7)Total Ratings 7
      100% agree - Would recommend
      $23.99 New
    • DS LM MICROBE-LIFT Calcium Montmorillonite Clay - Premium Grade 6 Lbs
      DS LM MICROBE-LIFT Calcium Montmorillonite Clay - Premium Grade 6 Lbs
      (6)Total Ratings 6
      100% agree - Would recommend
      $34.10 New
    • Summit Clear Water Barley Straw - Pack of 2
      Summit Clear Water Barley Straw - Pack of 2
      (79)Total Ratings 79
      91% agree - Would recommend
      $13.99 New
    You May Also Like
    • Clarifier Pond Water Treatments

    • Algae Control Pond Water Treatments

    • Barley Straw Pond Water Treatments

    • Pond Tint Pond Water Treatments

    • Beneficial Bacteria Pond Water Treatments

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