Biological Additives

Items 1 to 48 of 65 total

Many ponds can use a boost when it comes to creating a balanced ecosystem. Whether your pond is indoors or outdoors, we have a biological additive that will help clarify your water and reduce pond maintenance. Plus, many of these products can also reduce pond odors by eliminating algae, ammonia and other harmful substances. You’ll find products that are safe for fish and plants, making them incredibly easy to apply and use. Best of all, these pond biological additives create a healthier environment for your fish.

With their all-natural formulas and beneficial bacteria and enzymes, these are fast-acting, effective products that will reduce pond maintenance over time. At Big Al’s, we only stock pond biological additives from brands you can trust, like CrystalClear, Aquascape and TetraPond. We also have various items to fit your needs and your budget, so whether you want a bulk bin or a small bottle, a dry or a liquid formula, we’ve got what you need ready to be shipped to your door.
  • CrystalClear BioClarifier Sludge Remover - 11.2 oz - 12 pk
    Description Coming Soon!

    Regular Price: CAD 39.99

    Sale Price CAD 31.99

    Regular Price: CAD 39.99

    Sale Price CAD 31.99

  • Aquascape Automatic Dosing System Fountain Water Treatments
    • Uses beneficial bacteria, enzymes, and a phosphate binder
    • Reduce maintenance and achieve optimum water quality
    • Removes chlorine, chloramines, heavy metals, and ammonia
    • Treat up to 2500 gallons, for up to approximately 30 days!
    • Perfectly safe for animals who access your pond for drinking

    Price From: CAD 27.19

    Price From: CAD 27.19

  • Aquascape Cold Water Beneficial Bacteria (Liquid)
    • Potent biological additive for spring and fall pond maintenance
    • Works quickly to clean and balance your pond ecosystem
    • Contains 7 pure strains of beneficial bacteria (1.5 billion CFU/oz)
    • Formulated for use in very cold water (as low as 35°F / 2°C)
    • Helps control harmful ammonia, nitrite, and excess phosphate

    Price From: CAD 14.39

    Price From: CAD 14.39

  • Aquascape Sludge & Filter Cleaner
    • Weekly maintenance treatment keeps rocks, gravel, and filters clean
    • Includes 5 strains of concentrated heterotrophic beneficial bacteria
    • Natural cleaners break down sludge and maintain biological balance
    • Reduces pond maintenance by keeping filters and other surfaces clean
    • Completely safe for use around fish, plants, and animals

    Price From: CAD 15.19

    Price From: CAD 15.19

  • Aquascape Beneficial Bacteria (Dry)
    • Weekly maintenance treatment maintains a balanced ecosystem
    • Includes 8 strains of beneficial bacteria including enzymes and PSB
    • Natural cleaners clarify your pond by clumping and settling debris
    • Reduces pond maintenance and controls harmful ammonia and nitrite
    • Helps you establish a clean, clear, and healthy pond environment

    Price From: CAD 13.59

    Price From: CAD 13.59

  • Aquascape Beneficial Bacteria (Liquid)
    • Weekly maintenance treatment maintains a balanced ecosystem
    • Includes 8 strains of beneficial bacteria including enzymes and PSB
    • Natural cleaners clarify your pond by clumping and settling debris
    • Reduces pond maintenance and controls harmful ammonia and nitrite
    • Helps you establish a clean, clear, and healthy pond environment

    Price From: CAD 15.19

    Price From: CAD 15.19

  • Aquascape Pond Starter Bacteria
    • Rapidly establishes the biological ecosystem in your pond
    • Eco-friendly additive is ideal for new ponds and spring startups
    • Supports the nitrogen cycle and helps reduce spring fish loss
    • Completely safe for use around fish, plants, and animals
    • Convenient pump bottle ensures quick and accurate dosing

    Price From: CAD 15.99

    Price From: CAD 15.99

  • Aquascape S.A.B. Stream & Pond Clean
    • Enjoy clear water and a healthy pond environment
    • Contains pure strains of concentrated bacteria and enzymes
    • Breaks down debris in ponds, streams, and waterfalls
    • Helps maintain a strong biological balance

    Price From: CAD 12.79

    Price From: CAD 12.79

  • CrystalClear Biological Clarifier+ Sludge Remover
    An all-natural, freeze-dried bacteria and enzyme complex formulated to remove sludge, odor, and debris. Fortified with several billion bacterial colonies per gram and 6 enzymes all selected for their waste and green water degrading properties.

    Price From: CAD 47.99

    Price From: CAD 47.99

  • Microbe-Lift TheraP - 1 gal
    • Encourages optimal health for your pond and fish
    • Prevents disease by creating a natural environment
    • Supports immune system & reduces stress of fish
    • Supports rapid fish growth with natural ingredients
    • Safe for all animals that may approach your pond

    Regular Price: CAD 119.99

    Sale Price CAD 95.99

    Regular Price: CAD 119.99

    Sale Price CAD 95.99

  • Microbe-Lift TheraP - 1 qt
    • Encourages optimal health for your pond and fish
    • Prevents disease by creating a natural environment
    • Supports immune system & reduces stress of fish
    • Supports rapid fish growth with natural ingredients
    • Safe for all animals that may approach your pond

    Regular Price: CAD 34.99

    Sale Price CAD 27.99

    Regular Price: CAD 34.99

    Sale Price CAD 27.99

  • Microbe-Lift PL - 16 oz
    • Ideal for decorative ponds or lagoons containing fish
    • Reduces ammonia nitrogen levels and organic sludge
    • Reduces and breaks down dead algae, bird droppings
    • Reduces biological oxygen demand and toxic odors
    • Improves environment and dissolved oxygen levels

    Regular Price: CAD 24.99

    Sale Price CAD 19.99

    Regular Price: CAD 24.99

    Sale Price CAD 19.99

  • Aquascape S.A.B. Stream & Pond Clean - 7 lb
    • Natural cleaners help maintain the biological balance
    • Contains strains of concentrated bacteria and enzymes
    • Breaks down debris in ponds, streams, and waterfalls
    • Maintains clear water and a healthy pond environment
    • Entire 3.2 kg container treats up to 33,800 gallons

    Regular Price: CAD 159.99

    Sale Price CAD 127.99

    Regular Price: CAD 159.99

    Sale Price CAD 127.99

  • Aquascape Sludge Cleaner Bubble Tabs - 72 pk
    • Eco-friendly tabs keep pond bottoms and filters clean
    • Maintains a strong biological balance in your pond
    • Softens pond water, promoting the growth of plants
    • Contains over 500 million heterotrophic bacteria!
    • Treat up to 7,200 gallons of water, 100 gallons per tab

    Regular Price: CAD 29.99

    Sale Price CAD 23.99

    Regular Price: CAD 29.99

    Sale Price CAD 23.99

    Out of stock

  • Aquascape Sludge Cleaner Bubble Tabs - 36 pk
    • Eco-friendly tabs keep pond bottoms and filters clean
    • Maintains a strong biological balance in your pond
    • Softens pond water, promoting the growth of plants
    • Contains over 500 million heterotrophic bacteria!
    • Treat up to 3,600 gallons of water, 100 gallons per tab

    Regular Price: CAD 18.99

    Sale Price CAD 15.19

    Regular Price: CAD 18.99

    Sale Price CAD 15.19

    Out of stock

  • Aquascape Bacteria Bubble Tabs
    • Eco-friendly tablets keep water clean and sludge free!
    • Contains 8 pure strains of bacteria, including enzymes
    • Weekly dose encourages a strong biological balance
    • Maintains clean, clear, and healthy water conditions
    • Treats up to 3,600 gallons of water, 100 gallons per tab!

    Price From: CAD 14.39

    Price From: CAD 14.39

    Out of stock

  • Aquascape Sludge Cleaner Bubble Tabs
    • Eco-friendly tabs keep pond bottoms and filters clean
    • Maintains a strong biological balance in your pond
    • Softens pond water, promoting the growth of plants
    • Contains over 500 million heterotrophic bacteria!
    • Treat up to 3,600 gallons of water, 100 gallons per tab

    Price From: CAD 15.19

    Price From: CAD 15.19

    Out of stock

  • Microbe-Lift PL
    • Ideal for decorative ponds or lagoons containing fish
    • Reduces ammonia nitrogen levels and organic sludge
    • Reduces and breaks down dead algae, bird droppings
    • Reduces biological oxygen demand and toxic odors
    • Improves environment and dissolved oxygen levels

    Price From: CAD 19.99

    Price From: CAD 19.99

  • Microbe-Lift PL - 1 gal
    • Ideal for decorative ponds or lagoons containing fish
    • Reduces ammonia nitrogen levels and organic sludge
    • Reduces and breaks down dead algae, bird droppings
    • Reduces biological oxygen demand and toxic odors
    • Improves environment and dissolved oxygen levels

    Regular Price: CAD 99.99

    Sale Price CAD 79.99

    Regular Price: CAD 99.99

    Sale Price CAD 79.99

  • Microbe-Lift PL Gel - 32 oz
    • Strongly attaches to any type of filter media
    • Allows biological bacteria to promptly form
    • Restores your ponds healthy bacterial state
    • Helps denitrification to lower nitrate levels
    CAD 42.99
    CAD 42.99
  • Microbe-Lift Pond Nite-Out II - 1 gal
    • This decreases ammonia and nitrite toxins in your pond water
    • Creates, encourages or evens-out and maintains nitrification
    • Method uses nitrosomonas, nitrospira and nitrobacto strains
    • This formula is specially created to support marine life water

    Regular Price: CAD 99.99

    Sale Price CAD 79.99

    Regular Price: CAD 99.99

    Sale Price CAD 79.99

  • Microbe-Lift Pond Nite-Out II - 16 oz
    • This decreases ammonia and nitrite toxins in your pond water
    • Creates, encourages or evens-out and maintains nitrification
    • Method uses nitrosomonas, nitrospira and nitrobacto strains
    • This formula is specially created to support marine life water

    Regular Price: CAD 32.99

    Sale Price CAD 26.39

    Regular Price: CAD 32.99

    Sale Price CAD 26.39

  • Microbe-Lift Pond Nite-Out II - 32 oz
    • This decreases ammonia and nitrite toxins in your pond water
    • Creates, encourages or evens-out and maintains nitrification
    • Method uses nitrosomonas, nitrospira and nitrobacto strains
    • This formula is specially created to support marine life water

    Regular Price: CAD 42.99

    Sale Price CAD 34.39

    Regular Price: CAD 42.99

    Sale Price CAD 34.39

  • Aquascape Automatic Dosing System Pond Water Treatments
    • Uses beneficial bacteria, enzymes, and a phosphate binder
    • Reduce maintenance and achieve optimum water quality
    • Removes chlorine, chloramines, heavy metals, and ammonia
    • Treat up to 2500 gallons, for up to approximately 30 days!
    • Perfectly safe for animals who access your pond for drinking

    Price From: CAD 27.19

    Price From: CAD 27.19

  • Aquascape Automatic Dosing System Pond Water Treatment - Maintain
    • Uses beneficial bacteria, enzymes, and a phosphate binder
    • Reduce maintenance and achieve optimum water quality
    • Removes chlorine, chloramines, heavy metals, and ammonia
    • Treat up to 2500 gallons, for up to approximately 30 days!
    • Perfectly safe for animals who access your pond for drinking

    Regular Price: CAD 33.99

    Sale Price CAD 27.19

    Regular Price: CAD 33.99

    Sale Price CAD 27.19

  • Microbe-Lift PL - 32 oz
    • Ideal for decorative ponds or lagoons containing fish
    • Reduces ammonia nitrogen levels and organic sludge
    • Reduces and breaks down dead algae, bird droppings
    • Reduces biological oxygen demand and toxic odors
    • Improves environment and dissolved oxygen levels

    Regular Price: CAD 38.99

    Sale Price CAD 31.19

    Regular Price: CAD 38.99

    Sale Price CAD 31.19

  • Microbe-Lift Pond Nite-Out II
    • This decreases ammonia and nitrite toxins in your pond water
    • Creates, encourages or evens-out and maintains nitrification
    • Method uses nitrosomonas, nitrospira and nitrobacto strains
    • This formula is specially created to support marine life water

    Price From: CAD 26.39

    Price From: CAD 26.39

  • PondCare Ecofix
    Makes pond water clean and clear. Breaks down dead algae. Increases the concentration of dissolved oxygen in pond water. Helps create a healthy ecosystem for pond fish. Can be used in ponds containing salt.

    Price From: CAD 19.99

    Price From: CAD 19.99

  • Microbe-Lift Pond TheraP
    • Encourages optimal health for your pond and fish
    • Prevents disease by creating a natural environment
    • Supports immune system & reduces stress of fish
    • Supports rapid fish growth with natural ingredients
    • Safe for all animals that may approach your pond

    Price From: CAD 27.99

    Price From: CAD 27.99

  • Aquascape Bacteria Bubble Tabs - 72 pk
    • Eco-friendly tablets keep water clean and sludge free!
    • Contains 8 pure strains of bacteria, including enzymes
    • Weekly dose encourages a strong biological balance
    • Maintains clean, clear, and healthy water conditions
    • Treats up to 7,200 gallons of water, 100 gallons per tab!

    Regular Price: CAD 29.99

    Sale Price CAD 23.99

    Regular Price: CAD 29.99

    Sale Price CAD 23.99

    Out of stock

  • Aquascape Bacteria Bubble Tabs - 36 pk
    • Eco-friendly tablets keep water clean and sludge free!
    • Contains 8 pure strains of bacteria, including enzymes
    • Weekly dose encourages a strong biological balance
    • Maintains clean, clear, and healthy water conditions
    • Treats up to 3,600 gallons of water, 100 gallons per tab!

    Regular Price: CAD 17.99

    Sale Price CAD 14.39

    Regular Price: CAD 17.99

    Sale Price CAD 14.39

    Out of stock

  • Aquascape Beneficial Bacteria (Dry) - 250 g
    • Weekly maintenance treatment maintains a balanced ecosystem
    • Includes 8 strains of beneficial bacteria including enzymes and PSB
    • Natural cleaners clarify your pond by clumping and settling debris
    • Reduces pond maintenance and controls harmful ammonia and nitrite
    • Helps you establish a clean, clear, and healthy pond environment

    Regular Price: CAD 24.99

    Sale Price CAD 19.99

    Regular Price: CAD 24.99

    Sale Price CAD 19.99

  • Aquascape Beneficial Bacteria (Dry) - 125 g
    • Weekly maintenance treatment maintains a balanced ecosystem
    • Includes 8 strains of beneficial bacteria including enzymes and PSB
    • Natural cleaners clarify your pond by clumping and settling debris
    • Reduces pond maintenance and controls harmful ammonia and nitrite
    • Helps you establish a clean, clear, and healthy pond environment

    Regular Price: CAD 16.99

    Sale Price CAD 13.59

    Regular Price: CAD 16.99

    Sale Price CAD 13.59

  • Aquascape Beneficial Bacteria (Liquid) - Refill Pouch - 33.8 fl oz
    • Weekly maintenance treatment maintains a balanced ecosystem
    • Includes 8 strains of beneficial bacteria including enzymes and PSB
    • Natural cleaners clarify your pond by clumping and settling debris
    • Reduces pond maintenance and controls harmful ammonia and nitrite
    • Helps you establish a clean, clear, and healthy pond environment

    Regular Price: CAD 24.99

    Sale Price CAD 19.99

    Regular Price: CAD 24.99

    Sale Price CAD 19.99

  • Aquascape Beneficial Bacteria (Liquid) - 33.8 fl oz
    • Weekly maintenance treatment maintains a balanced ecosystem
    • Includes 8 strains of beneficial bacteria including enzymes and PSB
    • Natural cleaners clarify your pond by clumping and settling debris
    • Reduces pond maintenance and controls harmful ammonia and nitrite
    • Helps you establish a clean, clear, and healthy pond environment

    Regular Price: CAD 39.99

    Sale Price CAD 31.99

    Regular Price: CAD 39.99

    Sale Price CAD 31.99

  • Aquascape Beneficial Bacteria (Liquid) - 16.9 fl oz
    • Weekly maintenance treatment maintains a balanced ecosystem
    • Includes 8 strains of beneficial bacteria including enzymes and PSB
    • Natural cleaners clarify your pond by clumping and settling debris
    • Reduces pond maintenance and controls harmful ammonia and nitrite
    • Helps you establish a clean, clear, and healthy pond environment

    Regular Price: CAD 24.99

    Sale Price CAD 19.99

    Regular Price: CAD 24.99

    Sale Price CAD 19.99

  • Aquascape Beneficial Bacteria (Liquid) - 8.5 fl oz
    • Weekly maintenance treatment maintains a balanced ecosystem
    • Includes 8 strains of beneficial bacteria including enzymes and PSB
    • Natural cleaners clarify your pond by clumping and settling debris
    • Reduces pond maintenance and controls harmful ammonia and nitrite
    • Helps you establish a clean, clear, and healthy pond environment

    Regular Price: CAD 18.99

    Sale Price CAD 15.19

    Regular Price: CAD 18.99

    Sale Price CAD 15.19

  • Aquascape Pond Starter Bacteria - 33.8 fl oz
    • Rapidly establishes the biological ecosystem in your pond
    • Eco-friendly additive is ideal for new ponds and spring startups
    • Supports the nitrogen cycle and helps reduce spring fish loss
    • Completely safe for use around fish, plants, and animals
    • Convenient pump bottle ensures quick and accurate dosing

    Regular Price: CAD 49.99

    Sale Price CAD 39.99

    Regular Price: CAD 49.99

    Sale Price CAD 39.99

  • Aquascape Pond Starter Bacteria - 16.9 fl oz
    • Rapidly establishes the biological ecosystem in your pond
    • Eco-friendly additive is ideal for new ponds and spring startups
    • Supports the nitrogen cycle and helps reduce spring fish loss
    • Completely safe for use around fish, plants, and animals
    • Convenient pump bottle ensures quick and accurate dosing

    Regular Price: CAD 32.99

    Sale Price CAD 26.39

    Regular Price: CAD 32.99

    Sale Price CAD 26.39

    Out of stock

  • Aquascape Pond Starter Bacteria - 8.5 fl oz
    • Rapidly establishes the biological ecosystem in your pond
    • Eco-friendly additive is ideal for new ponds and spring startups
    • Supports the nitrogen cycle and helps reduce spring fish loss
    • Completely safe for use around fish, plants, and animals
    • Convenient pump bottle ensures quick and accurate dosing

    Regular Price: CAD 19.99

    Sale Price CAD 15.99

    Regular Price: CAD 19.99

    Sale Price CAD 15.99

    Out of stock

  • Aquascape S.A.B. Stream & Pond Clean - 500 g
    • Enjoy clear water and a healthy pond environment
    • Contains pure strains of concentrated bacteria and enzymes
    • Breaks down debris in ponds, streams, and waterfalls
    • Helps maintain a strong biological balance

    Regular Price: CAD 39.99

    Sale Price CAD 31.99

    Regular Price: CAD 39.99

    Sale Price CAD 31.99

  • Aquascape S.A.B. Stream & Pond Clean - 250 g
    • Enjoy clear water and a healthy pond environment
    • Contains pure strains of concentrated bacteria and enzymes
    • Breaks down debris in ponds, streams, and waterfalls
    • Helps maintain a strong biological balance

    Regular Price: CAD 23.99

    Sale Price CAD 19.19

    Regular Price: CAD 23.99

    Sale Price CAD 19.19

  • Aquascape S.A.B. Stream & Pond Clean - 125 g
    • Enjoy clear water and a healthy pond environment
    • Contains pure strains of concentrated bacteria and enzymes
    • Breaks down debris in ponds, streams, and waterfalls
    • Helps maintain a strong biological balance

    Regular Price: CAD 15.99

    Sale Price CAD 12.79

    Regular Price: CAD 15.99

    Sale Price CAD 12.79

    Out of stock

  • CrystalClear Biological Clarifier+ Sludge Remover - 6 lb
    An all-natural, freeze-dried bacteria and enzyme complex formulated to remove sludge, odor, and debris. Fortified with several billion bacterial colonies per gram and 6 enzymes all selected for their waste and green water degrading properties.
    CAD 189.99
    CAD 189.99
  • CrystalClear BioClarifier Sludge Remover - 22.4 oz - 24 pk
    An all-natural, freeze-dried bacteria and enzyme complex formulated to remove sludge, odor, and debris. Fortified with several billion bacterial colonies per gram and 6 enzymes all selected for their waste and green water degrading properties.

    Regular Price: CAD 59.99

    Sale Price CAD 47.99

    Regular Price: CAD 59.99

    Sale Price CAD 47.99

    Out of stock

  • PondCare Ecofix - 64 fl oz
    Makes pond water clean and clear. Breaks down dead algae. Increases the concentration of dissolved oxygen in pond water. Helps create a healthy ecosystem for pond fish. Can be used in ponds containing salt.

    Regular Price: CAD 64.99

    Sale Price CAD 51.99

    Regular Price: CAD 64.99

    Sale Price CAD 51.99

  • Aquascape Beneficial Bacteria (Dry) - 500 g
    • Weekly maintenance treatment maintains a balanced ecosystem
    • Includes 8 strains of beneficial bacteria including enzymes and PSB
    • Natural cleaners clarify your pond by clumping and settling debris
    • Reduces pond maintenance and controls harmful ammonia and nitrite
    • Helps you establish a clean, clear, and healthy pond environment

    Regular Price: CAD 42.99

    Sale Price CAD 34.39

    Regular Price: CAD 42.99

    Sale Price CAD 34.39

  • Aquascape Sludge & Filter Cleaner - 8.5 fl oz
    • Weekly maintenance treatment keeps rocks, gravel, and filters clean
    • Includes 5 strains of concentrated heterotrophic beneficial bacteria
    • Natural cleaners break down sludge and maintain biological balance
    • Reduces pond maintenance by keeping filters and other surfaces clean
    • Completely safe for use around fish, plants, and animals

    Regular Price: CAD 18.99

    Sale Price CAD 15.19

    Regular Price: CAD 18.99

    Sale Price CAD 15.19

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