Chemicals / Treatments

43 products

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interpet swim bladder treatment
Interpet Swimbladder Treatment 100ml
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API Melafix Treatment 118ml
API Melafix Treatment 118ml
Save 27%
API Tap Water Conditioner
API Tap Water Conditioner 30ml
API® ACCU-CLEAR water clarifier
API Accu Clear Water Clarifier 118ml
Interpet Green Away - Aquarium Treatment - PetWorld
Interpet Green Away - Aquarium Treatment

    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.
    43 products
    Sale
    interpet swim bladder treatment
    Interpet Swimbladder Treatment 100ml
    Save 28%
    Sale
    API Melafix Treatment 118ml
    API Melafix Treatment 118ml
    Save 27%
    API Tap Water Conditioner
    API Tap Water Conditioner 30ml
    API® ACCU-CLEAR water clarifier
    API Accu Clear Water Clarifier 118ml
    Interpet Green Away - Aquarium Treatment - PetWorld
    Interpet Green Away - Aquarium Treatment
    Interpet No.8 Anti Fungus and Finrot
    Interpet No.8 Anti Fungus and Finrot 100ml
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    Api Pond Algae Cure - PetWorld
    Api Pond Algae Cure
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    Blagdon Anti-Parasite – 250ml
    Blagdon Anti-Parasite – 250ml
    Api Stress Coat - PetWorld
    Api Stress Coat
    4 options
    Interpet Anti White Spot
    Interpet Anti White Spot
    API Pimafix 118ml
    API Pimafix 118ml
    Tetra AquaSafe 250ml - PetWorld
    Tetra AquaSafe 250ml
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    Interpet Gold Disease Safe 100ml
    Interpet Gold Disease Safe 100ml
    Save 33%
    API Prevent Algae 237ml
    API Prevent Algae 237ml
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    SUPA TONIC SALT
    Supa Tonic Salts 250g
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    API Prevent Algae 118ml
    API Prevent Algae 118ml
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    API GOLDFISH CARE PACK
    API Goldfish Care Pack
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    nterpet No.9 Anti Internal Bacteria
    Interpet No.9 Anti Internal Bacteria 100ml
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    API Quick Start 30ml
    API Quick Start 30ml
    Save 17%
    Api Pond Sludge Destroyer 473ml - PetWorld
    Api Pond Sludge Destroyer 473ml
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    API POND MELAFIX 237ML
    Api Pond Melafix 237ML
    Save 15%
    API AMMO LOCK
    API Ammo Lock 120ml
    Interpet Gold Disease Safe 100ml
    Interpet Gold Tap Safe 100ml
    blagdon green away
    Blagdon Green Away – 250ml
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    Waterlife Protozin 500ml
    Waterlife Protozin 500ml
    Save 11%
    Tetra Medica Goldmed 100ml
    Tetra Medica Goldmed 100ml
    green away fish tank treatment
    Blagdon Green Away Fish Tank Treatment
    2 options
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    Tetra Nitrate Minus 100ml
    Tetra Nitrate Minus 100ml
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    tetra safe start
    Tetra SafeStart 50ml
    Save 32%
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    Waterlife Protozin 100ml - PetWorld
    Waterlife Protozin 100ml
    Save 11%
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    Seachem Stability 100ml
    Seachem Stability 100ml
    Save 10%
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    Tetra Easy Balance 100ml
    Tetra Easy Balance 100ml
    Save 14%
    Seachem Stability 100ml
    Seachem Stability 250ml
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    Nishikoi Clear Waters 1000ml Tub - PetWorld
    Nishikoi Clear Waters 1000ml Tub
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    Interpet No.7 Anti Slime and Velvet
    Interpet No.7 Anti Slime and Velvet
    Save 11%
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    Api Pond Stress Coat 473ml - PetWorld
    Api Pond Stress Coat 473ml
    Save 12%
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    Waterlife Sterazin-P 125m
    Waterlife Sterazin-P 125ml
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    BLAGDON FRESH START (
    Blagdon Fresh Start 250ml
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    Waterlife Myxazin P 500ml
    Waterlife Myxazin P 500ml
    Save 20%
    Interpet No.1 Fresh Start 100ml
    Interpet No.1 Fresh Start 100ml
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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!