Every Seachem product we stock in the UK, on one page. 119 items are listed right now, priced from £15 to £114. Free UK delivery on every order, with prices in pounds sterling.What Seachem makes Aquarium Accessories — 113 items Water Quality Testing and Treatment — 93 items Aquarium Water...

Every Seachem product we stock in the UK, on one page. 119 items are listed right now, priced from £15 to £114. Free UK delivery on every order, with prices in pounds sterling.

What Seachem makes

  • Aquarium Accessories — 113 items
  • Water Quality Testing and Treatment — 93 items
  • Aquarium Water Treatments — 89 items
  • Aquarium Pumps and Filters — 14 items

Frequently asked questions

Does Seachem deliver across the UK?

Yes. Delivery is free to every UK address on this store, with no minimum order value.

Are these genuine Seachem products?

Yes. Everything on this page is listed under the Seachem brand as supplied to us, with the manufacturer's own product information.

Is everything on this page in stock?

119 of the 119 items listed are in stock right now. The page is built from live inventory, so it updates as stock changes.

Related at Petvita

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Vetality Twist + Lick dental gel bottle-application shows easy, brush-free dental care for dogs.Vetality Twist + Lick dental gel dog-licking demonstrates chicken flavor for routine dental care.
Vetality Twist + Lick Dental Gel for Dogs – 24-Hour Fresh Breath, Chicken Flavor, 2 oz
Effortless Dog Dental Care, Made Tasty Meet Vetality Twist + Lick Dental Gel for Dogs, a 2 oz tube designed to support daily oral care without the hassle of brushing. The formula combines a pleasant chicken flavor with a patented ProLong gel that clings...
£30.20
£30.20
Zymox Otic Plus bottle promotes gentle ear care for dogs and cats.Zymox Otic Plus being applied to a pet ear for itch relief.
Zymox Advanced Formula Otic Plus Enzymatic Ear Solution for Dogs & Cats – 1% Hydrocortisone, 1.25 oz
Gentle, effective ear care for dogs and cats Zymox Advanced Formula Otic Plus is designed for pets with recurrent ear concerns. The 1.25 oz bottle is easy to use, offering a calm, ready-to-use solution that may help soothe irritation and support comfortable ears for...
£49.00
£49.00
Vetality Twist and Lick dental gel dog-tube shows easy daily oral care.Vetality Twist and Lick dental gel dog-application demonstrates brush-free application.
Vetality Twist and Lick Dental Gel for Dogs — 24h Clean, Peanut Butter Flavor, 2 oz
Vetality Twist and Lick Dental Gel for Dogs Meet a tasty, brush-free approach to canine oral care. Twist and Lick combines a peanut-butter flavor with a patented ProLong gel that adheres to gums, delivering an active, all-day clean designed to fit into busy routines...
£29.95
£29.95

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Seachem UK

Every Seachem product we stock in the UK, on one page. 119 items are listed right now, priced from £15 to £114. Free UK delivery on every order, with prices in pounds sterling.

What Seachem makes

  • Aquarium Accessories — 113 items
  • Water Quality Testing and Treatment — 93 items
  • Aquarium Water Treatments — 89 items
  • Aquarium Pumps and Filters — 14 items

Frequently asked questions

Does Seachem deliver across the UK?

Yes. Delivery is free to every UK address on this store, with no minimum order value.

Are these genuine Seachem products?

Yes. Everything on this page is listed under the Seachem brand as supplied to us, with the manufacturer's own product information.

Is everything on this page in stock?

119 of the 119 items listed are in stock right now. The page is built from live inventory, so it updates as stock changes.

Related at Petvita

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  • Seachem Aquavitro Fuel bottle demonstrates ammonia-free magnesium support for reef tanks.
    Seachem Aquavitro Fuel – Ammonia-Free Magnesium Treatment (150ml / 5 oz)
    Boost Magnesium with a Purity Advantage In saltwater aquariums, magnesium plays a pivotal role in supporting delicate corals, stabilizing water chemistry, and helping systems settle into a balanced rhythm. Seachem Aquavitro Fuel delivers magnesium as a highly concentrated, fully dissolved solution, with an impressive...
    £23.08
    £23.08
  • Seachem PhosGuard bottle closeup with porous beads for filtration.Seachem PhosGuard beads closeup highlighting bead shape for flow.
    Seachem PhosGuard 250ml - Phosphate & Silicate Removal for Marine & Freshwater Aquariums
    OverviewSeachem PhosGuard 250 ml is engineered for both marine and freshwater aquariums. Its highly porous media offers a high capacity for trapping dissolved nutrients as water passes through, supporting a balanced environment for fish, corals, and plants without relying on chemical dosing in every...
    £22.01
    £22.01
  • Seachem Garlic Guard fish food bottle showing garlic-enhanced formula for better feeding.Seachem Garlic Guard fish food being dispensed highlights easy feeding in aquariums.
    Seachem Garlic Guard Fish Food, 100 mL – Garlic Additive & Flavor Enhancer (Freshwater & Saltwater)
    Overview Seachem Garlic Guard Fish Food is a natural garlic additive and flavor enhancer designed to add aroma and taste to standard fish foods. Packaged as a single 100 mL bottle (3.4 fl oz), this product is formulated for both freshwater and saltwater fish...
    £18.60
    £18.60
  • Seachem Reef Buffer 250g bottle raising reef pH toward 8.3 for stability.Seachem Reef Buffer 250g scoop included for precise reef alkalinity adjustments.
    Seachem Reef Buffer 250g | Raise pH to 8.3 & Stabilize Alkalinity for Reef Tanks
    Experience reliable reef water chemistry with Seachem Reef Buffer 250g, designed for hobbyists who maintain vibrant corals and invertebrates. This buffer supports common reef challenges around pH and carbonate alkalinity, offering a measured approach to buffering without promising guaranteed outcomes. What it does Raises...
    £19.14
    £19.14
  • Seachem ParaGuard bottle showing fish-safe parasite control for freshwater and marine tanks.
    Seachem ParaGuard 250ml - Fish-Safe Parasite Control for Freshwater & Marine Aquariums
    Overview Seachem ParaGuard is a 10% by weight aldehyde-based parasite-control formulation designed to help address external parasites and surface lesions on fish. It blends a safe aldehyde approach with malachite green and fish-protective polymers, and it contains no formaldehyde or methanol. The formula is...
    £20.48
    £20.48
  • Seachem Ph Alert for Freshwater color-changing sensor indicating pH shifts for continuous monitoring.
    Seachem Ph Alert for Freshwater – Continuous pH Monitoring
    Overview Seachem Ph Alert for Freshwater is a color-changing sensor designed to sit inside your aquarium or filter. It provides constant visibility into your tank’s pH without traditional tests, using reversible color shifts to indicate changes within the 5.4 to 8.0 range. Freshwater only,...
    £19.44
    £19.44
  • Seachem Stability bottle being poured to start biofilter in a new tankSeachem Stability dosing cap showing precise measurement for safe start-up
    Seachem Stability Aquarium Biofilter Stabilizer - Freshwater & Marine, 50 ml
    Overview: A practical ally for new tanks Seachem Stability is a liquid additive designed to help establish the aquarium biofilter quickly and safely in both freshwater and marine setups. It targets a common hurdle many hobbyists face during startup: new tank instability. By supporting...
    £15.34
    £15.34
  • Seachem Matrix high-capacity biofilter porous surface supports beneficial bacteria for filtration.Seachem Matrix macro-pores visualize internal surface area for nitrification and denitrification.
    Seachem Matrix High Capacity Biofilter | Marine & Freshwater Tidal Filtration
    OverviewSeachem Matrix is a high-porosity, inorganic biomedia designed to support the beneficial bacteria that transform nitrogenous waste into safer compounds in your aquarium. As a high-capacity media, Matrix provides a vast amount of surface area, promoting efficient contact between water and microbial colonies in...
    £19.65
    £19.65
  • Seachem Alkaline Buffer bottle being poured to adjust pH in a freshwater tank.Seachem Alkaline Buffer with dosing scoop ready for regular pH stabilization.
    Seachem Alkaline Buffer – 70 g | Raise & Stabilize pH for Freshwater Planted Tanks
    Overview Seachem Alkaline Buffer is a non-phosphate additive designed to gently raise and help stabilize pH in freshwater aquariums. It’s well-suited for planted tanks and very hard water where phosphate buffers can pose algae or cloudiness concerns. The product targets a pH range from...
    £18.39
    £18.39
  • Seachem Prime 50mL bottle for ammonia neutralization in saltwater aquariums reduces toxicity
    Seachem Prime 50mL – Emergency Ammonia Neutralizer for Saltwater Aquariums
    Overview Seachem Prime 50mL is a compact water conditioner designed for saltwater aquariums. Its small bottle makes it a handy companion for routine maintenance and occasional ammonia spikes, helping keep your tank’s health in check while you manage the cause. What Prime does Prime...
    £18.42
    £18.42
  • Seachem Clarity bottle pour demonstrates easy dosing for quicker tank clarity.Seachem Clarity shows clouded to clear transition for better viewing.
    Seachem Clarity 100 mL – Clear Cloudy Aquarium Water (Marine & Freshwater)
    Clearer Water Starts Here Seachem Clarity is a water clarifier designed for both marine and freshwater tanks. For over three decades, Seachem has combined science and hobbyist passion to create reliable products that help you enjoy a clearer, healthier aquarium. Clarity works by gathering...
    £21.47
    £21.47
  • Seachem Tidal Filtter 35 Matrix closeup demonstrates high-porosity biomedia for efficient biofiltration in aquariums.
    Seachem Tidal Filtter 35 Matrix – High Porosity Biofiltration Media
    Overview Matrix is a high-porosity biomedia, engineered as an inorganic solid with roughly 10 mm diameter, designed to maximize the biological surface available to beneficial bacteria. Its distinctive macropores create an internal network that provides homes for microbial communities that process waste, helping to...
    £17.91
    £17.91
  • Seachem Prime bottle front—chlorine removal for safer aquarium water.Seachem Prime bottle pour demonstrates easy dosing for freshwater and saltwater tanks.
    Seachem Prime Fresh and Saltwater Conditioner – Chlorine & Chloramine Remover
    Overview Seachem Prime is a complete, concentrated conditioner designed for both freshwater and saltwater tanks. It targets chlorine and chloramine in tap water, helping to establish a safe starting point for your aquatic life. Built on Seachem's science-driven philosophy, Prime benefits from a long...
    £16.88
    £16.88
  • Seachem Prime bottle overview showing chlorine removal for aquariums.Seachem Prime label close-up highlighting purity and removal for tap water.
    Seachem Prime Fresh & Saltwater Conditioner - Chlorine Remover & Detoxifier, 500 ml
    Overview Seachem Prime is a complete, concentrated conditioner for both freshwater and saltwater aquariums. It removes chlorine and chloramine from tap water and helps your biofilter begin processing ammonia, nitrite, and nitrate while these compounds are detoxified for up to 48 hours. Backed by...
    £28.88
    £28.88
  • Seachem Flourish Potassium bottle front view supports healthy plant growth.Seachem Flourish Potassium bottle back view shows label details for dosing.
    Seachem Flourish Potassium 500ml – Potassium Supplement for Planted Aquariums
    Seachem Flourish Potassium 500ml — Potassium Supplement for Planted Aquariums Seachem Flourish Potassium 500ml is a potassium supplement designed for natural freshwater planted aquariums. Potassium is a key nutrient that supports robust growth in aquatic plants, helping leaves stay vibrant and stems stout in...
    £27.65
    £27.65
  • Seachem Denitrate porous block demonstrates high porosity for biological filtration in aquariums.Seachem Denitrate bottle closeup showing compact media for nitrate reduction.
    Seachem Denitrate 500ml – Biological Nitrate Removal Media for Aquariums
    Seachem Denitrate 500ml — a practical nitrate and organic removal solution Maintaining crystal-clear water in both freshwater and reef setups often depends on more than routine filtration. Denitrate 500ml from Seachem is designed as a high-porosity biological media that slots into your filter to...
    £21.01
    £21.01
  • Seachem Nutridiet Marine Flakes jar closeup for balanced nutrition and vitality.Seachem Nutridiet Marine Flakes serving bowl suggests easy feeding and probiotic support.
    Seachem Nutridiet Marine Flakes with Probiotics – 100g/3.5 oz (1094)
    Nutridiet Marine Flakes with Probiotics from Seachem is a premium diet designed to meet the daily needs of marine fish. This nutritionally balanced formula comes in convenient flakes that dissolve quickly, delivering a complete profile of nutrition for everyday feeding in saltwater setups. What...
    £27.51
    £27.51
  • Seachem Equilibrium 600g bottle stabilizes mineral balance for planted aquariums.Seachem Equilibrium pour image demonstrates easy dosing for mineral supplementation.
    Seachem Equilibrium 600g | Mineral Balance for Planted Aquariums — No Sodium Chloride
    Enhance Mineral Balance for Plant Health Seachem Equilibrium 600g is a dedicated mineral supplement designed for planted aquariums. It delivers essential calcium, magnesium, and potassium without any sodium chloride, making it a thoughtful choice for environments where plants and delicate species thrive on a...
    £29.91
    £29.91
  • Seachem Flourish Tabs packaging front showcases root nutrition for aquarium plants.Close-up of Flourish Tabs tablet highlighting nutrients for root growth.
    Seachem Flourish Tabs Growth Supplement - Aquatic Plant Root Stimulant 10 ct
    Overview Seachem Flourish Tabs are a growth-focused root-feeding solution for planted aquariums. Designed to deliver nutrients directly to the root zone, these time-release tablets support the development of strong root systems and vibrant foliage. When used as part of a balanced tank setup, they...
    £22.01
    £22.01
  • Seachem GarlicGuard bottle pour demonstrates easy dosing for fish healthSeachem GarlicGuard label closeup showing vitamin C content for fish wellbeing
    Seachem GarlicGuard 250 ml – Garlic-Based Aquarium Supplement for All Fish
    OverviewSeachem GarlicGuard 250 ml is a garlic‑based additive designed for aquarium hobbyists who care about feeding comfort and reliable routine care. Packaged in a 250 ml bottle, it emphasizes safety and compatibility: described as safe for all fish, reef‑safe, and formulated to minimize overdosing...
    £22.99
    £22.99

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