Skip to content
Support NZ Locally Owned Pet Stores : FREE shipping for orders over $75 (T/C's)
    Login
    Kiwi PetzKiwi Petz
    Blog Rewards
    0
    • Pet Store
    • Aquatics
    • Saddlery
    • Dog Grooming
    • Vet Pharmacy
    • Farm Animals

    Pet Store

    Aquatics

    Saddlery

    Dog Grooming

    Vet Pharmacy

    Farm Animals

    • Pet Store
    • Aquatics
    • Saddlery
    • Dog Grooming
    • Vet Pharmacy
    • Farm Animals
    • Fish Tanks, Equipment, Pond
    • /
    • Fish Food
    • /
    • Fish Tank Health & Water Treatments
    • /
    • Live Fish & Plants
    • /
    • Fish Tank Décor
    • /
    • Specials
    • /

    Fish Tank Health & Water Treatments

    It's vital to maintain the health of your fish tank with water conditioners - we have the leading brands of tank water treatments so you're in control!

    Conditioners

    Good Bacteria

    Algae Control

    Medications

    Plant Care

    Test Kits

    185 products
    • Seachem Tanganyika Buffer 4KG - Fish Tank Health & Water Treatments
      Seachem Tanganyika Buffer 4KG $239.00 /
    • Seachem Neutral Regulator 4KG - Fish Tank Health & Water Treatments
      Seachem Neutral Regulator 4KG $279.00 /
    • API Fresh/Salt Copper Test Kit - Fish Tank Health & Water Treatments
      API Fresh/Salt Copper Test Kit $38.95 /
    • Sera Quick Test 6 in 1 (50 Test) - Fish Tank Health & Water Treatments - Default Title
      Sera Quick Test 6 in 1 (50 Test) $59.95 /
    • Sera Phosvec Granulet - Fish Tank Health & Water Treatments - 500g
      Sera Phosvec Granulet $29.95 /
    • Sera Siporax Bio Active Professional - Fish Tank Health & Water Treatments - 35g-210g Sera Siporax Bio Active Professional - Fish Tank Health & Water Treatments - 35g-210g
      Sera Siporax Bio Active Professional From $9.95 /
      Choose options
    • Sera Siporax Algovec Professional - Fish Tank Health & Water Treatments - 35g
      Sera Siporax Algovec Professional $9.95 /
    • Sera Florenette Tablet - Fish Tank Health & Water Treatments - 24 Tablets-50 Tablets Sera Florenette Tablet - Fish Tank Health & Water Treatments - 24 Tablets-50 Tablets
      Sera Florenette Tablet From $19.95 /
      Choose options
    • Sera CO2 Tablets Plus - Fish Tank Health & Water Treatments - 20 Tablets
      Sera CO2 Tablets Plus $19.95 /
    • Sera Plant Care Set - Fish Tank Health & Water Treatments - Default Title
      Sera Plant Care Set $69.95 /
    • Sera Florena - Fish Tank Health & Water Treatments - 50ml-100ml-250ml-500ml-5L Sera Florena - Fish Tank Health & Water Treatments - 50ml-100ml-250ml-500ml-5L
      Sera Florena From $8.95 /
      Choose options
    • Sera O2 Plus - Fish Tank Health & Water Treatments - 250ml / 260g
      Sera O2 Plus $49.95 /
    • Sera Nitrite-Minus - Fish Tank Health & Water Treatments - 500ml-2500ml
      Sera Nitrite-Minus From $44.95 /
      Choose options
    • Sera Toxivec - Fish Tank Health & Water Treatments - 250ml-500ml-2500ml Sera Toxivec - Fish Tank Health & Water Treatments - 250ml-500ml-2500ml
      Sera Toxivec From $24.95 /
      Choose options
    • Sera Blackwater Aquatan - Fish Tank Health & Water Treatments - 100ml-5L Sera Blackwater Aquatan - Fish Tank Health & Water Treatments - 100ml-5L
      Sera Blackwater Aquatan From $9.95 /
      Choose options
    • Sera Betta Aquatan - Fish Tank Health & Water Treatments - 50ml
      Sera Betta Aquatan $9.95 /
    • Aquarium Cleaning Pack - Fish Tank Health & Water Treatments
      Aquarium Cleaning Pack $40.10 /
    • API Water Treatment Pack - Fish Tank Health & Water Treatments API Water Treatment Pack - Fish Tank Health & Water Treatments
      API Water Treatment Pack From $16.85 /
      Choose options
    • Seachem Plant Care Bundle - Fish Tank Health & Water Treatments
      Seachem Plant Care Bundle From $90.80 /
      Choose options
    • Sale Build your own Betta Aquarium Bundle - Fish Tank Health & Water Treatments
      Build your own Betta Aquarium Bundle $179.70 $161.73 /
      5.0
    • Nutrafin Goldfish Plus Water Conditioner 120ml - Fish Tank Health & Water Treatments
      Nutrafin Goldfish Plus Water Conditioner 120ml $11.95 /
    • Nutrafin Biocare Waste Control 250ml - Fish Tank Health & Water Treatments
      Nutrafin Biocare Waste Control 250ml $46.30 /
    • Nutrafin AquaPlus Water Conditioner 30ml - Fish Tank Health & Water Treatments
      Nutrafin AquaPlus Water Conditioner 30ml $7.50 /
    • Nutrafin AquaPlus Water Conditioner 2ltr including pump - Fish Tank Health & Water Treatments
      Nutrafin AquaPlus Water Conditioner 2 Litre $99.95 /
    • Aqua One Tropical Conditioning Salt 10kg - Fish Tank Health & Water Treatments
      Aqua One Tropical Conditioning Salt 10kg $151.95 /
    • Seachem Reef Iodine - Fish Tank Health & Water Treatments
      Seachem Reef Iodine From $30.95 /
      Choose options
    • Seachem Reef Advantage Magnesium - Fish Tank Health & Water Treatments
      Seachem Reef Advantage Magnesium From $44.95 /
      Choose options
    • Seachem Reef Trace - Fish Tank Health & Water Treatments
      Seachem Reef Trace From $31.95 /
      Choose options
    • Seachem Reef Plus - Fish Tank Health & Water Treatments
      Seachem Reef Plus From $31.95 /
      Choose options
    • Aquavitro Salinity Reef Salt 29.75kg - Fish Tank Health & Water Treatments
      Aquavitro Salinity Reef Salt 29.75kg $249.00 /
    • Seachem Vibrant Sea Salt 23kg - Fish Tank Health & Water Treatments
      Seachem Vibrant Sea Salt 23kg $189.00 /
    • Seachem Entice 250ml - Fish Tank Health & Water Treatments
      Seachem Entice 250ml $29.95 /
    • Wunder White Spot Cure 1L - Fish Tank Health & Water Treatments
      Wunder White Spot Cure 1L $158.95 /
    • Seachem Multitest Iodine & Iodide - Fish Tank Health & Water Treatments
      Seachem Multitest Iodine & Iodide $46.95 /
    • Seachem Multitest Phosphate - Fish Tank Health & Water Treatments
      Seachem Multitest Phosphate $46.95 /
    • Seachem Multitest Marine pH & Alkalinity - Fish Tank Health & Water Treatments
      Seachem Multitest Marine pH & Alkalinity $46.95 /
    • Seachem Malawi/Victoria Buffer 4KG - Fish Tank Health & Water Treatments
      Seachem Malawi/Victoria Buffer 4KG $239.00 /
    • Seachem Brackish Salt 300G - Fish Tank Health & Water Treatments
      Seachem Brackish Salt 300G $18.95 /
    • Seachem Acid Regulator 250G - Fish Tank Health & Water Treatments
      Seachem Acid Regulator 250G $29.95 /
    • API Saltwater Calcium Test Kit - Fish Tank Health & Water Treatments
      API Saltwater Calcium Test Kit $41.95 /
    • Aqua One QuickDrop Carbonate Hardness Test Kit - Fish Tank Health & Water Treatments
      Aqua One QuickDrop Carbonate Hardness Test Kit $18.50 /
    short video with the kiwipetz logo and a fancy looking labradoodle that pops up

    113b Maleme Street, Greerton, Tauranga 3112
    Open 9am-5pm Monday to Friday
    Call us on: 07 578 8623
    Send a message

    NEWSLETTER

    Sign up and be the first to hear of our latest offers!

    • About Us
    • Contact Us
    • Our Brands
    • Products
    • The Happy Pet Hub
    • Terms and Conditions
    • Privacy Policy
    • Payment Policy
    • Delivery Policy
    • Refund Policy

    © 2025 Kiwi Petz, All rights reserved.

    Apple Pay
    Google Pay
    Mastercard
    Union Pay
    Visa
    Cart 0

    Your cart is currently empty.

    Start Shopping
    Popular searches
    • Pet Store
    • Aquatics
    • Saddlery
    • Dog Grooming
    • Vet Pharmacy
    • Farm Animals
    Trending Now
    • 3 n 1 Floating Breeder Net - Fish Tank Breeding
      3 n 1 Floating Breeder Net $16.95 /
    • 4Cyte Canine & Feline 100G - Veterinary Canine Joint Health 4Cyte Canine & Feline 100G BONUS PACK! - Veterinary Canine Joint Health - Default Title
      4Cyte Canine & Feline 100G BONUS PACK! $87.95 /
      5.0
    • 4Cyte Canine & Feline 50G - Veterinary Canine Joint Health
      4Cyte Canine & Feline 50G $50.95 /