Pet Circle

    Tropical Fish Water Care

    1 - 52 out of 67 products

    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)
    Quick Start Freshwater And Saltwater Aquarium Water Treatment

    ApiQuick Start Freshwater And Saltwater Aquarium Water Treatment

    4.7 (3)
    $15.99($13.55/100ml)
    Stability

    SeachemStability

    $14.99($14.99/100ml)
    $14.24
    Sale
    Purigen

    SeachemPurigen

    $18.89($18.89/100ml)
    $20.99Save 10%
    Sale
    Ph Up Freshwater Aquarium Water Treatment

    ApiPh Up Freshwater Aquarium Water Treatment

    5 (1)
    $14.34($12.15/100ml)
    $20.49Save 30%
    Sale
    Co2 Booster Freshwater Aquarium Plant Care Treatment

    ApiCo2 Booster Freshwater Aquarium Plant Care Treatment

    $27.19($5.75/100ml)
    $31.99Save 15%
    Sale
    Aquasafe Plus Bioextract Formula Water Conditioner

    TetraAquasafe Plus Bioextract Formula Water Conditioner

    4.9 (7)
    $10.49($4.20/100ml)
    $13.99Save 25%
    Sale
    Algae Cure Aquarium Treatment

    Blue PlanetAlgae Cure Aquarium Treatment

    $8.54($6.83/100ml)
    $8.99Save 5%
    Stress Coat Aquarium Water Conditioner

    ApiStress Coat Aquarium Water Conditioner

    5 (9)
    $19.99($8.43/100ml)
    Melafix Freshwater Fish Infection Remedy

    ApiMelafix Freshwater Fish Infection Remedy

    5 (6)
    $14.99($12.70/100ml)
    5 In 1 Freshwater And Saltwater Aquarium Test Strips

    Api5 In 1 Freshwater And Saltwater Aquarium Test Strips

    5 (1)
    $66.99
    Aquarium Salt For Freshwater Tanks

    ApiAquarium Salt For Freshwater Tanks

    5 (3)
    $7.99($1.76/100g)
    Fresh Water Salt Water Ammonia Test Kit

    ApiFresh Water Salt Water Ammonia Test Kit

    $26.99
    Algaefix Algae Control Aquarium Solution

    ApiAlgaefix Algae Control Aquarium Solution

    2.6 (5)
    $17.99($15.25/100ml)
    Root Tablets

    ApiRoot Tablets

    $19.99
    Leaf Zone Freshwater Aquarium Plant Fertiliser

    ApiLeaf Zone Freshwater Aquarium Plant Fertiliser

    5 (3)
    $16.99($7.17/100ml)
    Accu Clear Freshwater Aquarium Clarifier

    ApiAccu Clear Freshwater Aquarium Clarifier

    4.5 (4)
    $11.99($10.16/100ml)
    Stress Zyme Freshwater And Saltwater Aquarium Water Cleaner

    ApiStress Zyme Freshwater And Saltwater Aquarium Water Cleaner

    5 (11)
    $21.99($9.28/100ml)
    Flourish Tabs

    SeachemFlourish Tabs

    $21.99
    $20.89
    Ph Freshwater Aquarium Test Kit

    ApiPh Freshwater Aquarium Test Kit

    5 (1)
    $14.99
    Betta Basics

    SeachemBetta Basics

    $21.99($8.80/100ml)
    Aqua Plus Water Conditioner

    NutrafinAqua Plus Water Conditioner

    5 (1)
    $8.99($7.49/100ml)
    Ph Down Freshwater Aquarium Water Treatment

    ApiPh Down Freshwater Aquarium Water Treatment

    5 (1)
    $9.99($27.00/100ml)
    Flourish Advance

    SeachemFlourish Advance

    $25.99($10.40/100ml)
    Bettafix Remedy

    ApiBettafix Remedy

    5 (1)
    $12.99($25.98/100ml)
    Aquarium Start Up Pack

    ApiAquarium Start Up Pack

    $12.99
    Proper Ph Freshwater Aquarium Water Ph Stabiliser

    ApiProper Ph Freshwater Aquarium Water Ph Stabiliser

    3.5 (2)
    $24.99
    Flourish Excel

    SeachemFlourish Excel

    3 (2)
    $26.99($5.40/100ml)
    $25.64
    Multi Cure

    Blue PlanetMulti Cure

    5 (4)
    $21.99($4.40/100ml)
    Fresh Water Deluxe Kit Ph With Liquid Adjusters

    ApiFresh Water Deluxe Kit Ph With Liquid Adjusters

    $22.99
    Neutral Regulator

    SeachemNeutral Regulator

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

    SeachemPh Alert

    1 (1)
    $21.99
    Alerts Combo Pack

    SeachemAlerts Combo Pack

    1 (1)
    $26.99
    Cichlid Trace

    SeachemCichlid Trace

    $23.99($4.80/100ml)
    Betta Water

    ApiBetta Water

    $26.99($1.42/100ml)
    Cycle Biological Aquarium Supplement

    NutrafinCycle Biological Aquarium Supplement

    $15.99($6.40/100ml)
    Alkaline Buffer

    SeachemAlkaline Buffer

    $27.99($4.67/100g)
    Neutraliser Block

    Blue PlanetNeutraliser Block

    $5.99($29.95/100g)
    Pristine for Fish Water Clarity

    SeachemPristine for Fish Water Clarity

    $45.99($9.20/100ml)
    Amguard Water Treatment

    SeachemAmguard Water Treatment

    5 (1)
    $30.99($12.40/100ml)
    Malawi Victoria Buffer

    SeachemMalawi Victoria Buffer

    $33.99($5.67/100g)
    Water Conditioner

    FluvalWater Conditioner

    5 (2)
    $22.49($4.50/100ml)
    Quick Clear

    FluvalQuick Clear

    5 (2)
    $9.99($8.33/100ml)
    Fish Care Water Softening Pillows For Aquariums

    ApiFish Care Water Softening Pillows For Aquariums

    4.5 (2)
    $11.99
    Phosphate Test Kit For Marine And Fresh Water Aquariums

    ApiPhosphate Test Kit For Marine And Fresh Water Aquariums

    5 (1)
    $37.99
    Betta Plus Conditioner

    NutrafinBetta Plus Conditioner

    $3.99($6.65/100ml)
    Betta Water Conditioner

    MarinaBetta Water Conditioner

    $6.99($27.96/100ml)
    Laboratories Complete

    Pisces LaboratoriesLaboratories Complete

    $16.99($16.99/100ml)
    Ammo Lock Freshwater And Saltwater Aquarium Ammonia Detoxifer

    ApiAmmo Lock Freshwater And Saltwater Aquarium Ammonia Detoxifer

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

    SeachemDiscus Buffer

    $16.99($6.80/100g)
    Clarity Water Clarifier for Marine & Freshwater Aquariums

    SeachemClarity Water Clarifier for Marine & Freshwater Aquariums

    4 (1)
    $40.99($8.20/100ml)

    52 of 67 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!