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Fish Water Treatments

Keep your aquarium healthy and your fish thriving with our wide range of fish water treatments. From essential water conditioners to powerful aquatic medications, our collection helps maintain clean, balanced, and safe water. Explore treatments for algae removal, bacterial and fungal infections, parasites, and stress reduction, alongside plant food and CO₂ boosters to support live plants. With trusted brands like API, Interpet, Fluval, Aqua One, and Tetra, you’ll find reliable solutions for every need. Whether you’re starting a new tank, treating sick fish, or improving water clarity, our treatments make caring for your aquarium simple and effective.

88 Results

88 Results

Regular price £18.19 £12.99 29% off

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Interpet Fast Filter Start
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£8.49

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Interpet Parasite Slime & Velvet 100ml
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£5.79

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30ml 118ml 237ml 473ml
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30ml 120ml 375ml 500ml
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Regular price £7.39 from £5.99 29% off

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120ml 250ml

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Tetra Goldfish AquaSafe
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Tetra AquaSafe
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Tetra EasyBalance
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Tetra CrystalWater
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Tetra NitrateMinus Liquid
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Interpet Anti Fungus & Finrot
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Interpet Anti White Spot
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£5.79

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Interpet Disease Away
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£5.49

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Water Conditioners

Conditioners remove chlorine, detoxify harmful substances, and make tap water safe for fish, ensuring a healthy start for every aquarium.

Aquarium Medications

Treat common fish illnesses such as fin rot, white spot, and parasites with targeted solutions from leading aquatic care brands.

Plant Nutrition

Support vibrant plant growth with liquid fertilisers, CO₂ supplements, and root boosters designed to keep aquatic plants strong and healthy.

Algae & Clarity Control

Combat algae growth and maintain crystal-clear water with specialist treatments that improve visibility and water quality.

FAQs

Do I need water conditioner for every water change? Yes, using a conditioner ensures harmful chlorine and heavy metals are neutralised.

Can water treatments harm my fish? When used as directed, treatments are safe and effective for fish, plants, and beneficial bacteria.

Which treatment should I use first in a new tank? A bio-starter or filter booster helps establish beneficial bacteria, making the tank safe for fish.