Chemicals / Treatments

44 products

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interpet swim bladder treatment
Interpet Swimbladder Treatment 100ml
Interpet
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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

    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
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    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
    Api Stress Coat - PetWorld
    Api Stress Coat
    4 options
    API
    Interpet Anti White Spot
    Interpet Anti White Spot
    Interpet
    API Pimafix 118ml
    API Pimafix 118ml
    API
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    Api Pond Algae Cure - PetWorld
    Api Pond Algae Cure
    API
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    Interpet Gold Disease Safe 100ml
    Interpet Gold Disease Safe 100ml
    Interpet
    Save 33%
    Blagdon Anti-Parasite – 250ml
    Blagdon Anti-Parasite – 250ml
    Blagdon
    API Prevent Algae 237ml
    API Prevent Algae 237ml
    API
    Tetra AquaSafe 250ml - PetWorld
    Tetra AquaSafe 250ml
    Tetra
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    SUPA TONIC SALT
    Supa Tonic Salts 250g
    Supa
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    nterpet No.9 Anti Internal Bacteria
    Interpet No.9 Anti Internal Bacteria 100ml
    Interpet
    Save 27%
    API Prevent Algae 118ml
    API Prevent Algae 118ml
    API
    Api Pond Sludge Destroyer 473ml - PetWorld
    Api Pond Sludge Destroyer 473ml
    API
    API AMMO LOCK
    API Ammo Lock 120ml
    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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    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%
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    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
    Save 14%
    green away fish tank treatment
    Blagdon Green Away Fish Tank Treatment
    2 options
    Blagdon
    Waterlife Sterazin-P 125m
    Waterlife Sterazin-P 125ml
    Waterlife
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    BLAGDON FRESH START (
    Blagdon Fresh Start 250ml
    Blagdon
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    Waterlife Myxazin P 500ml
    Waterlife Myxazin P 500ml
    Waterlife
    Save 20%
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    tetra safe start
    Tetra SafeStart 50ml
    Tetra
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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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    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!