Chemicals / Treatments

44 products

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interpet swim bladder treatment
Interpet Swimbladder Treatment 100ml
Interpet
Save 28%
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API Melafix Treatment 118ml
API Melafix Treatment 118ml
API
Save 27%
Interpet Green Away - Aquarium Treatment - PetWorld
Interpet Green Away - Aquarium Treatment
Interpet
API® ACCU-CLEAR water clarifier
API Accu Clear Water Clarifier 118ml
API
Interpet No.8 Anti Fungus and Finrot
Interpet No.8 Anti Fungus and Finrot 100ml
Interpet
    €000 €3999

    Aquarium Chemicals & Treatments

    Algae will occur in most aquariums overtime, a little amount of algae is not harmful to your fish however, if it becomes excessive it can be harmful to aquatic plants and even your fish. There are many chemicals and treatments available but it can be hard to decide on which ones you need. Please get in touch with Petworld if you have any questions about aquarium water treatment products.
    44 products
      €000 €3999
      Sale
      interpet swim bladder treatment
      Interpet Swimbladder Treatment 100ml
      Interpet
      Save 28%
      Sale
      API Melafix Treatment 118ml
      API Melafix Treatment 118ml
      API
      Save 27%
      Interpet Green Away - Aquarium Treatment - PetWorld
      Interpet Green Away - Aquarium Treatment
      Interpet
      API® ACCU-CLEAR water clarifier
      API Accu Clear Water Clarifier 118ml
      API
      Interpet No.8 Anti Fungus and Finrot
      Interpet No.8 Anti Fungus and Finrot 100ml
      Interpet
      API Tap Water Conditioner
      API Tap Water Conditioner 30ml
      API
      Interpet Anti White Spot
      Interpet Anti White Spot
      Interpet
      Api Stress Coat - PetWorld
      Api Stress Coat
      API
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      Interpet Gold Disease Safe 100ml
      Interpet Gold Disease Safe 100ml
      Interpet
      Save 33%
      API Pimafix 118ml
      API Pimafix 118ml
      API
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      Api Pond Algae Cure - PetWorld
      Api Pond Algae Cure
      API
      Save 27%
      Tetra AquaSafe 250ml - PetWorld
      Tetra AquaSafe 250ml
      Tetra
      API Prevent Algae 237ml
      API Prevent Algae 237ml
      API
      Blagdon Anti-Parasite – 250ml
      Blagdon Anti-Parasite – 250ml
      Blagdon
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      SUPA TONIC SALT
      Supa Tonic Salts 250g
      Supa
      Save 25%
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      nterpet No.9 Anti Internal Bacteria
      Interpet No.9 Anti Internal Bacteria 100ml
      Interpet
      Save 27%
      Api Pond Sludge Destroyer 473ml - PetWorld
      Api Pond Sludge Destroyer 473ml
      API
      API Prevent Algae 118ml
      API Prevent Algae 118ml
      API
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      API GOLDFISH CARE PACK
      API Goldfish Care Pack
      API
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      Interpet Gold Disease Safe 100ml
      Interpet Gold Tap Safe 100ml
      Interpet
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      Waterlife Protozin 500ml
      Waterlife Protozin 500ml
      Waterlife
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      API AMMO LOCK
      API Ammo Lock 120ml
      API
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      Seachem Stability 100ml
      Seachem Stability 100ml
      Seachem
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      Tetra Medica Goldmed 100ml
      Tetra Medica Goldmed 100ml
      Tetra
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      API Quick Start 30ml
      API Quick Start 30ml
      API
      Save 17%
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      API POND MELAFIX 237ML
      Api Pond Melafix 237ML
      API
      Save 15%
      Sold Out
      Blagdon Anti Parasite - PetWorld
      Blagdon Anti Parasite
      Blagdon
      blagdon green away
      Blagdon Green Away – 250ml
      Blagdon
      Seachem Stability 100ml
      Seachem Stability 250ml
      Seachem
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      Waterlife Protozin 100ml - PetWorld
      Waterlife Protozin 100ml
      Waterlife
      Save 11%
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      Tetra Nitrate Minus 100ml
      Tetra Nitrate Minus 100ml
      Tetra
      Save 33%
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      Waterlife Myxazin 100ml
      Waterlife Myxazin 100ml
      Waterlife
      Save 27%
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      Tetra Easy Balance 100ml
      Tetra Easy Balance 100ml
      Tetra
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      Waterlife Sterazin-P 125m
      Waterlife Sterazin-P 125ml
      Waterlife
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      tetra safe start
      Tetra SafeStart 50ml
      Tetra
      Save 32%
      green away fish tank treatment
      Blagdon Green Away Fish Tank Treatment
      Blagdon
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      Interpet No.7 Anti Slime and Velvet
      Interpet No.7 Anti Slime and Velvet
      Interpet
      Save 11%
      accu clear
      API Accu Clear Freshwater Clarifiier 37ml
      API
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      Api Pond Stress Coat 473ml - PetWorld
      Api Pond Stress Coat 473ml
      API
      Save 12%
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      BLAGDON FRESH START (
      Blagdon Fresh Start 250ml
      Blagdon
      Save 13%
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      Chemicals / Treatments

      A clean and balanced aquarium is essential for healthy fish, and at Petworld.ie, we offer a full range of aquarium treatments and water conditioners to keep your tank in top condition. Whether you're setting up a new tank or maintaining an existing one, our products help create a safe and stable aquatic environment.

      Our selection includes:

      Dechlorinators & Water Conditioners – Instantly remove harmful chlorine, chloramines, and heavy metals from tap water.
      Beneficial Bacteria Boosters – Establish and maintain a healthy biological filter to break down waste and reduce ammonia levels.
      Algae Control Solutions – Keep your tank crystal clear by preventing and removing unwanted algae growth.
      pH Adjusters & Hardness Regulators – Maintain the perfect water chemistry for tropical and cold-water fish.
      Ensure clean, clear, and safe water for your fish with our trusted aquarium treatments. Shop now and enjoy fast, reliable delivery across Ireland at Petworld.ie!