Fish & Aquatic Aquarium Water Treatments
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Safe, targeted care for marine fish Copper Power Endich ACP0004B is a copper‑based treatment designed specifically for marine fish. When used at 2.5 ppm copper, it delivers a higher concentration than many standard formulas, helping you address disease challenges with a formulation that remains...
- £20.79
- £20.79
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Kickstart Your Aquarium Cycling with ConfidenceStarting a freshwater or tropical tank requires a careful balance of ammonia, nitrite, and nitrate. Gingerbread Pet Supply 4 oz Ammonium Chloride provides a precise, user-friendly way to introduce the essential ammonia that nourishes the beneficial bacteria responsible for...
- £24.16
- £24.16
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Overview Seachem Acid Buffer 300 g is a non-phosphate pH buffer designed for aquarium use. Manufactured in the United States, it helps maintain safer, more predictable water chemistry by gently lowering pH when needed while preserving the balance of other parameters. What it does...
- £23.04
- £23.04
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Overview Blue Life Aiptasia Control is a compact, highly concentrated remedy designed for reef aquariums facing nuisance aiptasia and majano anemones. The dense liquid is formulated to cling to the target, helping you apply treatment precisely where it matters while minimizing disruption from tank...
- £22.99
- £22.99
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OverviewChemi-Pure Green from Boyd Enterprises is the ultimate all-in-one filtration media designed for freshwater planted aquariums. Packaged in a convenient nylon bag, it blends high-capacity pelletized activated carbon with premium ion exchange resins to deliver crystal clear water while preserving essential nutrients for your...
- £23.52
- £23.52
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Overview For more than five decades, Chemi-pure has stood as the original filter media designed to support cleaner, more stable aquarium water. Created by Dick Boyd in the 1960s, this blend combines high grade granular activated carbon with advanced ion exchange resins. The result...
- £23.59
- £23.59
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Seachem AmGuard 250ml is your quick‑response solution for managing ammonia in home aquariums. This liquid additive detoxifies free ammonia rapidly, helping you maintain a safer environment during tank cycling or in the face of unexpected spikes. Unlike products that require pH manipulation to work,...
- £24.47
- £24.47
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Overview Seachem Focus 5 g is an antibacterial polymer designed to support fish health by addressing internal infections. The powder formulation offers flexible use in both fresh and saltwater aquariums, giving hobbyists a versatile option when paired with other medications or used on its...
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- £24.02
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OverviewSeachem Betta Basics 250ml is formulated to support a healthy home for both bettas and aquatic plants. It works behind the scenes to neutralize common tap water irritants, reduce potential stressors, and stabilize your tank’s environment so you can enjoy a clearer, calmer aquarium....
- £21.67
- £21.67
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Overview Upgrade your aquarium maintenance with the Fluval AC50 Insert 3-Pack. Specifically designed to fit the Fluval AC50 (50/200) power filter, these replacement inserts provide reliable mechanical filtration as water flows through the system. Each insert is compact, easy to replace, and included as...
- £25.84
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Seachem Brackish Salt is a purpose-built blend designed to support brackish water conditions in freshwater setups. It helps create a stable salinity range that can work for livebearers and brackish fish, while remaining plant friendly and easy to dose. The granules dissolve readily, delivering...
- £22.10
- £22.10
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Aqueon AquaPacs Ammonia Reducer: Simple, Reliable Water Care for 10-Gallon Setups Maintaining clean, stable water is essential for thriving fish in small tanks. Aqueon AquaPacs Ammonia Reducer is designed to help manage ammonia in compact aquariums, delivering a straightforward dosing solution that fits routine...
- £21.35
- £21.35
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Chemi-Pure Mini Elite: All-in-One Filter Media Compact yet powerful, Boyd Enterprises ABE16746 Chemi-Pure Mini Elite Formula is designed to help maintain clear, healthy water in both freshwater and saltwater aquariums. Packaged in a 3.1-ounce bag, this media blends decades of filtration science with modern...
- £21.97
- £21.97
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All-in-one filtration for thriving aquariums The Fluval Media Maintenance Kit delivers a complete filtration solution for both freshwater and saltwater aquariums. Designed to work with Fluval AC30 power filters, this kit brings together three core media inserts into a single, ready-to-use package. By combining...
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Grow lush aquatic plants with Flourish Nitrogen 250ml Seachem Flourish Nitrogen 250ml is a nitrogen supplement designed for freshwater planted aquariums. This easy-to-dose liquid fertilizer provides a practical way to support the nitrogen needs of a diverse plant lineup—from compact foreground varieties to vivid...
- £22.85
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Seachem HyperSorb 100ml — premium synthetic adsorbent for aquarium waterSeachem HyperSorb is a premium synthetic adsorbent designed to tackle organic waste and a wide range of pollutants in freshwater, brackish, and marine systems. It combines high capacity with a user-friendly regeneration cycle, offering potential...
- £21.75
- £21.75
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Stabilize Your Freshwater Aquarium with Seachem Alkaline Buffer Seachem Alkaline Buffer is a non-phosphate formulation designed to gently raise pH and increase alkalinity in freshwater aquariums. It pairs well with Acid Buffer, allowing gradual, controlled adjustments without introducing phosphate buffers that can contribute to...
- £23.82
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Overview Mars Fishcare North Amer Aquarium Salt 1 Qt offers a straightforward way to refresh your aquarium water. Housed in a practical milk-carton style carton, this 33 oz / 1 quart package puts a familiar, easy-to-handle maintenance item in your hands for ongoing tank...
- £38.96
- £38.96
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Overview Seachem Purigen, 100 ml, is a premium filtration media designed for freshwater and saltwater aquariums. Made from a unique synthetic polymer, Purigen targets dissolved organic compounds that color water and contribute to odors, helping you maintain clearer, more natural water conditions for your...
- £24.27
- £24.27
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Boost plant color and growth with Seachem Flourish Iron 250mlSeachem Flourish Iron 250ml is a highly concentrated micronutrient designed specifically for freshwater planted aquariums. When added as part of a regular nutrient routine, this iron supplement helps iron become available to plant tissues, supporting...
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Fish & Aquatic Aquarium Water Treatments for UK pet owners — 302 products with free UK delivery. Browse the full range below; stock and prices update live.
Popular picks include Seachem Prime Fresh & Saltwater Conditioner – Chlorine &; Seachem Prime Fresh & Saltwater Conditioner 2 L – Chlori; Seachem Prime Water Conditioner 2 Liter – Safe Tap Water.
























