Pet Circle

    Coldwater Fish Water Care

    1 - 52 out of 80 products

    Freshwater Aquarium Master Test Kit

    ApiFreshwater Aquarium Master Test Kit

    4.8 (9)
    $68.99
    Prime Water Conditioner

    SeachemPrime Water Conditioner

    4.9 (9)
    $24.99($10.00/100ml)
    $23.74
    Tapwater Conditioner For Fresh And Salt Water Aquariums

    ApiTapwater Conditioner For Fresh And Salt Water Aquariums

    3.8 (5)
    $38.99($4.12/100ml)
    Stability

    SeachemStability

    $27.99($11.20/100ml)
    $26.59
    Leaf Zone Freshwater Aquarium Plant Fertiliser

    ApiLeaf Zone Freshwater Aquarium Plant Fertiliser

    5 (3)
    $16.99($7.17/100ml)
    Sale
    Stress Coat Aquarium Water Conditioner

    ApiStress Coat Aquarium Water Conditioner

    5 (9)
    $7.21($24.03/100ml)
    $7.59Save 5%
    Sale
    Co2 Booster Freshwater Aquarium Plant Care Treatment

    ApiCo2 Booster Freshwater Aquarium Plant Care Treatment

    $15.29($6.42/100ml)
    $17.99Save 15%
    Sale
    Stress Zyme Freshwater And Saltwater Aquarium Water Cleaner

    ApiStress Zyme Freshwater And Saltwater Aquarium Water Cleaner

    5 (11)
    $17.59($7.42/100ml)
    $21.99Save 20%
    Sale
    Axolotl Fish Water Conditioner

    SeachemAxolotl Fish Water Conditioner

    $37.39($14.96/100ml)
    $43.99Save 15%
    $35.52
    Sale
    5 In 1 Freshwater And Saltwater Aquarium Test Strips

    Api5 In 1 Freshwater And Saltwater Aquarium Test Strips

    5 (1)
    $18.39
    $22.99Save 20%
    Sale
    Accu Clear Freshwater Aquarium Clarifier

    ApiAccu Clear Freshwater Aquarium Clarifier

    4.5 (4)
    $18.39($7.76/100ml)
    $22.99Save 20%
    Sale
    Water Conditioner

    FluvalWater Conditioner

    5 (2)
    $17.99($3.60/100ml)
    $22.49Save 20%
    Sale
    Ph Up Freshwater Aquarium Water Treatment

    ApiPh Up Freshwater Aquarium Water Treatment

    5 (1)
    $9.89($26.73/100ml)
    $10.99Save 10%
    Sale
    Fresh Water Deluxe Kit Ph With Liquid Adjusters

    ApiFresh Water Deluxe Kit Ph With Liquid Adjusters

    $19.54
    $22.99Save 15%
    Sale
    Aquarium Start Up Pack

    ApiAquarium Start Up Pack

    $10.39
    $12.99Save 20%
    Sale
    Algaefix Algae Control Aquarium Solution

    ApiAlgaefix Algae Control Aquarium Solution

    2.6 (5)
    $14.39($12.19/100ml)
    $17.99Save 20%
    New
    SureStart Fish Water Conditioners 3 Pack

    SeachemSureStart Fish Water Conditioners 3 Pack

    $34.99($11.66/100ml)
    Sale
    Cycle Biological Aquarium Supplement

    NutrafinCycle Biological Aquarium Supplement

    $12.79($5.12/100ml)
    $15.99Save 20%
    Sale
    6in1 Easystrips Aquarium 16c Water Test Kit

    Tetra6in1 Easystrips Aquarium 16c Water Test Kit

    3 (2)
    $17.99
    $19.99Save 10%
    Sale
    Ph Freshwater Aquarium Test Kit

    ApiPh Freshwater Aquarium Test Kit

    5 (1)
    $13.49
    $14.99Save 10%
    Sale
    Ph Down Freshwater Aquarium Water Treatment

    ApiPh Down Freshwater Aquarium Water Treatment

    5 (1)
    $9.49($25.65/100ml)
    $9.99Save 5%
    Sale
    Aqua Plus Water Conditioner

    NutrafinAqua Plus Water Conditioner

    5 (1)
    $14.79($2.96/100ml)
    $18.49Save 20%
    Sale
    Proper Ph Freshwater Aquarium Water Ph Stabiliser

    ApiProper Ph Freshwater Aquarium Water Ph Stabiliser

    3.5 (2)
    $19.99
    $24.99Save 20%
    Sale
    Algae Cure Aquarium Treatment

    Blue PlanetAlgae Cure Aquarium Treatment

    $8.54($6.83/100ml)
    $8.99Save 5%
    Sale
    Eco Balance Probiotic Bacteria For Freshwater Aquariums

    Dr Tims AquaticsEco Balance Probiotic Bacteria For Freshwater Aquariums

    $23.99($19.99/100ml)
    $29.99Save 20%
    $22.79
    Sale
    Clarity Water Clarifier for Marine & Freshwater Aquariums

    SeachemClarity Water Clarifier for Marine & Freshwater Aquariums

    4 (1)
    $28.79($11.52/100ml)
    $35.99Save 20%
    $27.35
    Sale
    Liquid Copper Test Kit For Fresh And Saltwater Aquariums And Ponds

    ApiLiquid Copper Test Kit For Fresh And Saltwater Aquariums And Ponds

    5 (1)
    $22.39
    $27.99Save 20%
    Sale
    Aquasafe Plus Bioextract Formula Water Conditioner

    TetraAquasafe Plus Bioextract Formula Water Conditioner

    4.9 (7)
    $20.79($4.16/100ml)
    $25.99Save 20%
    Sale
    Gold Basics

    SeachemGold Basics

    $4.93($9.86/100ml)
    $5.19Save 5%
    Sale
    Betta Water Conditioner

    MarinaBetta Water Conditioner

    $6.29($25.16/100ml)
    $6.99Save 10%
    Multi Cure

    Blue PlanetMulti Cure

    5 (4)
    $21.99($4.40/100ml)
    Quick Start Freshwater And Saltwater Aquarium Water Treatment

    ApiQuick Start Freshwater And Saltwater Aquarium Water Treatment

    4.7 (3)
    $15.99($13.55/100ml)
    Root Tablets

    ApiRoot Tablets

    $19.99
    Purigen

    SeachemPurigen

    $20.99($20.99/100ml)
    Aquarium Salt For Freshwater Tanks

    ApiAquarium Salt For Freshwater Tanks

    5 (3)
    $7.99($1.76/100g)
    Melafix Freshwater Fish Infection Remedy

    ApiMelafix Freshwater Fish Infection Remedy

    5 (6)
    $14.99($12.70/100ml)
    Flourish Tabs

    SeachemFlourish Tabs

    $21.99
    $20.89
    Axolotl Buffer Fish Water Conditioner

    SeachemAxolotl Buffer Fish Water Conditioner

    $33.99($13.60/100ml)
    $32.29
    Betta Basics

    SeachemBetta Basics

    $12.99($21.65/100ml)
    Amguard Water Treatment

    SeachemAmguard Water Treatment

    5 (1)
    $13.99($13.99/100ml)
    Fresh Water Salt Water Ammonia Test Kit

    ApiFresh Water Salt Water Ammonia Test Kit

    $26.99
    Fresh Water Salt Water Nitrate Test Kit

    ApiFresh Water Salt Water Nitrate Test Kit

    $29.99
    Phosphate Test Kit For Marine And Fresh Water Aquariums

    ApiPhosphate Test Kit For Marine And Fresh Water Aquariums

    5 (1)
    $37.99
    Fish Care Water Softening Pillows For Aquariums

    ApiFish Care Water Softening Pillows For Aquariums

    4.5 (2)
    $11.99
    Flourish Excel

    SeachemFlourish Excel

    3 (2)
    $26.99($5.40/100ml)
    $25.64
    Ammo Lock Freshwater And Saltwater Aquarium Ammonia Detoxifer

    ApiAmmo Lock Freshwater And Saltwater Aquarium Ammonia Detoxifer

    5 (2)
    $14.99($6.32/100ml)
    Alkaline Buffer

    SeachemAlkaline Buffer

    $27.99($4.67/100g)
    Pristine for Fish Water Clarity

    SeachemPristine for Fish Water Clarity

    $45.99($9.20/100ml)
    Flourish Advance

    SeachemFlourish Advance

    $25.99($10.40/100ml)
    Alerts Combo Pack

    SeachemAlerts Combo Pack

    1 (1)
    $26.99
    Quick Clear

    FluvalQuick Clear

    5 (2)
    $9.99($8.33/100ml)
    Neutral Regulator

    SeachemNeutral Regulator

    1 (2)
    $27.99($5.60/100g)

    52 of 80 items

    Next day delivery

    Vet Articles

  1. Setting Up A Fish Tank

    Setting Up A Fish Tank

    Thinking of getting a fish? Check out our guide for setting up a tank and home care tips!

  2. Choosing the Right Filter for Your Aquarium

    Choosing the Right Filter for Your Aquarium

    New fish tank and not sure how to keep it clean? Learn the secrets to crystal-clear water. Selecting the right tank filter is the single most important decision for maintaining water quality and healthy fish!

  3. Fighting Fish Care Guide

    Fighting Fish Care Guide

    Thinking of getting a fighting fish? Before you buy that tiny bowl, read our vet's guide. We cover everything from the right tank setup to diet and care for a happy, healthy betta.

  4. Fish Food & Feeding: A Vet's Guide

    Fish Food & Feeding: A Vet's Guide

    From flakes and pellets to sinking wafers, choosing the right fish food can be confusing. Our guide helps you select the best diet for healthy, vibrant fish and a clean tank.

  5. Siamese Fighting Fish Facts & Myths: Ultimate Betta Care Guide

    Siamese Fighting Fish Facts & Myths: Ultimate Betta Care Guide

    Wondering about getting Siamese Fighting Fish? Take a look at some facts and myths about Bettas!