Sidebar

Categories

Featured Products

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
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
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

Custom Block

Fish & Aquatic Aquarium Water Treatments

Filter
  • 10
  • 15
  • 20
  • 25
  • 30
  • 50
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort

Sort by:

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • SunGrow catappa leaves pack closeup showing natural aquarium leaves for gentle water conditioning.SunGrow catappa leaves in tank create tea-colored water and stress-relief ambiance for fish.
    SunGrow Catappa Leaves 100 Pcs – Betta, Shrimp & Frog Habitat, Lowers pH, Tea Water, Immunity Support
    Natural Habitat Enhancement for Betta, Shrimp, and Frogs SunGrow brings a 100-piece pack of Mini Catappa Indian Almond Leaves tailored for freshwater aquariums. These leaves provide more than a decorative touch: they’re a practical, natural option to help create a habitat that echoes a...
    £20.96
    £20.96
  • Fluval BIOMAX nodes close-up reveal porous surface boosting beneficial bacteria growthFluval BIOMAX nodes showing even water flow design for efficient filtration
    Fluval BIOMAX for AC50 Power Filter 2.8 oz / 80 g
    Overview Biological filtration is the backbone of a balanced aquarium. Fluval BIOMAX for the AC50 Power Filter delivers a media that encourages beneficial bacteria to establish themselves quickly, helping your freshwater or saltwater setup stay stable and vibrant. The media is designed to fit...
    £18.87
    £18.87
  • Seachem SulfaPlex bottle ready for quick aquarium treatment of bacterial and fungal issues.Seachem SulfaPlex bottle pour demonstrates simple dosing for treating fish diseases.
    Seachem SulfaPlex - 10-gram | Aquarium Treatment for Bacteria, Fungi & Protozoa
    Seachem SulfaPlex — a flexible aquarium treatmentSulfaPlex is designed to help manage a range of common fish health concerns in both freshwater and marine setups. The powder-form medication is formulated to be gentle on the biofilter while helping address bacterial, fungal, and protozoan challenges...
    £23.14
    £23.14
  • API PROPER pH 8.2 bottle closeup shows stable pH for healthy fish.API PROPER pH 8.2 bottle pour illustrates quick pH adjustment for new tanks.
    API PROPER pH 8.2 Freshwater Aquarium pH Stabilizer 7.4-Ounce Container
    Overview API PROPER pH 8.2 is engineered to automatically set and stabilize your freshwater aquarium’s pH at 8.2, helping create a reliable baseline for a variety of setups—from standard community tanks to species-specific environments and African cichlids. The formula goes beyond pH control by...
    £23.23
    £23.23
  • Fluval Bio-Foam AC70 close-up showing dense foam for debris capture and clearer water.Fluval Bio-Foam AC70 dense foam supporting steady water flow and fine filtration.
    Fluval Bio-Foam for AC70 Power Filter – 3-Pack | Freshwater & Saltwater
    Crystal-clear water with dual filtration Meet Fluval Bio-Foam, a three-pack of media designed for the AC70 power filter. It blends mechanical filtration with a robust biological surface, helping remove visible debris while supporting a healthy environment in both freshwater and saltwater aquariums. The foam’s...
    £25.38
    £25.38
  • Seachem Flourish Excel bottle provides bioavailable carbon for aquatic plant growthDosing cap of Seachem Flourish Excel shows precise measurement for regular use
    Seachem Flourish Excel Bioavailable Carbon – Organic Carbon Source for Aquatic Plants (100 ml)
    Overview Flourish Excel provides a convenient source of bioavailable organic carbon for freshwater aquarium plants. This liquid formula is designed to support plant metabolism and the overall vitality of a planted tank—without claiming guaranteed results in every setup. What it does for your tank...
    £21.37
    £21.37
  • Seal Fix Aquarium Silicone Sealant Clear Tube — fish-safe leak repair for tanks.Seal Fix Aquarium Silicone Sealant Clear Glass Seam bonds glass durably and waterproof.
    Seal Fix Aquarium Silicone Sealant - Clear, Fish-Safe & Flexible (10.1 oz)
    Overview Seal Fix Aquarium Silicone Sealant delivers a crystal-clear, fish-safe solution designed for both freshwater and saltwater tanks. This non-toxic silicone cures in ambient air, forming a flexible, elastic bond that resists cracking and shrinking. Use it to seal glass seams, patch leaks, or...
    £23.56
    £23.56
  • Fluval carbon for AC70/AC110 3-pack packaging shows ready-to-use filter media for clearer water.Fluval carbon inserts closeup highlighting porous media for odor reduction.
    Fluval Carbon for AC70/AC110 Power Filter - 3-Pack (15.3 oz)
    Overview Keep aquarium water looking and smelling fresh with Fluval Carbon for AC70/AC110 Power Filter. This 3-pack provides carbon inserts designed to fit Fluval's AC70 and AC110 media compartments. Each insert carries activated carbon that works as water passes through the filter to trap...
    £25.09
    £25.09
  • Mars Fishcare Safe/Easy Aquarium Cleaner bottle removes mineral deposits from glass aquariums.
    Mars Fishcare Safe/Easy Aquarium Cleaner (8 oz) | Mineral Deposit Remover for Glass & Acrylic Tanks
    Overview Mars Fishcare Safe/Easy Aquarium Cleaner is designed for busy aquarists who want a clearer, cleaner tank without heavy scrubbing. It targets white crusty mineral deposits that commonly form on glass and acrylic surfaces, and it also helps address buildup around hoods, filters, and...
    £21.91
    £21.91
  • Tender Tropicals axolotl Indian almond leaf, 6-inch habitat enhances natural environment and enrichment.Tender Tropicals axolotl leaf hiding-spot for enrichment and shelter.
    Tender Tropicals 50Pcs Axolotl Indian Almond Leaves — 6-Inch Catappa Leaves for Habitat Enrichment and Water Quality
    Enhance Your Aquarium with Tender Tropicals Indian Almond Leaves Tender Tropicals offers a 50-piece set of Axolotl Indian Almond Leaves, each leaf measuring about 6 inches. Handpicked and sun-dried, these leaves bring a natural, unprocessed texture to your tank. When introduced, they gradually color...
    £22.00
    £22.00
  • Aquatop Clear Magic bottle closeup showing premium formula for clear waterAquatop Clear Magic tank with clear water demonstrating weekly polishing
    Aquatop Clear Magic Water Polisher – Crystal Clear Water for Freshwater & Saltwater Tanks
    Crystal-Clear Water, Simplified Tank Care The Aquatop Clear Magic Water Polisher is designed to tackle cloudy water in both freshwater and saltwater aquariums. Its premium formulation aims to deliver a brighter, more transparent view of your aquatic world, enhancing the overall viewing experience while...
    £24.06
    £24.06
  • Seachem Marine Buffer 250g tub showing sturdy packaging for reef-ready water care.Seachem Marine Buffer label closeup; accurate formula helps maintain pH balance.
    Seachem Marine Buffer 250g – Alkalinity Stabilizer for Reef Aquariums
    Seachem Marine Buffer 250g is designed to support stable alkalinity and pH in marine and reef aquariums. Packed with borate for added buffering stability and magnesium to help reduce precipitation, this formula aims to create a more predictable water chemistry for coral and invertebrate...
    £22.01
    £22.01
  • Seachem Reef Buffer bottle shows powder formula that helps stabilize reef tank pH.Seachem Reef Buffer powder-form sits ready to raise pH and carbonate alkalinity in reef systems.
    Seachem Reef Buffer – 500 g | Stabilize Reef pH and Alkalinity
    Seachem Reef Buffer is crafted for the unique chemistry of a closed reef aquarium. The powder formula aims to raise both pH and carbonate alkalinity, helping reef tanks maintain a stable water column as organic acids from corals and inhabitants interact with the system....
    £22.77
    £22.77
  • Seachem Discus Buffer 500g front label shows purpose and dosing guidanceSeachem Discus Buffer 500g being poured to adjust aquarium pH
    Seachem Discus Buffer 500g – Low pH, Soft Water for Discus Tanks
    OverviewSeachem Discus Buffer 500g is designed for aquarists who want to recreate the calm, low-pH, low-GH environment favored by Discus. The powder-based formula lowers pH and helps keep it stable over time, while softening water by precipitating calcium and magnesium. Used alongside other Seachem...
    £23.44
    £23.44
  • SunGrow Alder Cones close-up showing natural texture for shrimp habitat enrichment.SunGrow Alder Cones pack of 100pcs ready for freshwater tanks, flexible setup.
    SunGrow Alder Cones for Shrimps – Water Conditioner & Tank Decor (100 Pcs)
    Natural decor and practical enrichment for freshwater shrimp tanks SunGrow Alder Cones bring a touch of woodland charm to shrimp tanks. When submerged, the cones gently tint the water to a tea-like hue, adding visual depth and a natural aesthetic that aquarium keepers often...
    £21.93
    £21.93
  • AG Adhesive Guru aquarium sealant clear tube illustrates quick-dry, fish-safe silicone.AG Adhesive Guru aquarium sealant clear bottle shown for versatile aquarium repairs and sealing.
    AG Adhesive Guru Aquarium Silicone Sealant Clear - 100% Silicone, Fast Cure, Safe for Fish Tanks
    Protect, seal, and decorate your aquarium with AG Adhesive Guru Our Aquarium Silicone Sealant Clear is a 100% silicone sealant that stays true to its name: a clear, flexible, and robust solution for your fish tank projects. Free from additives and fungicides, it is...
    £23.96
    £23.96
  • Fluval Bio-Foam in the kit provides mechanical filtration for debris removal in AC30.Fluval BIOMAX media supports beneficial bacteria for biological filtration.
    Fluval Media Maintenance Kit for AC30 Power Filter | Freshwater & Saltwater
    Complete filtration, ready for action Keep your aquarium water pristine and inviting with Fluval's Media Maintenance Kit for the AC30 Power Filter. This all-in-one filtration solution blends three proven media types to support a balanced, healthy aquatic environment. By combining mechanical, biological, and chemical...
    £24.51
    £24.51
  • Seachem Flourish Advance Growth bottle cap for precise dosing and root support.Seachem Flourish Advance Growth in aquarium plants showing vibrant foliage.
    Seachem Flourish Advance Growth Supplement - Aquarium Plant Growth Aid (500 ml)
    Seachem Flourish Advance Growth Supplement Seachem Flourish Advance Growth is an intelligent aquatic plant aid designed to support vibrant, healthy growth in a wide range of aquarium plants. This advanced formula blends phytohormones, minerals, and nutrients to help roots and shoots develop in harmony...
    £30.93
    £30.93
  • DrTim’s Aquatics One & Only bottle poured to kickstart freshwater cyclingDrTim’s Aquatics One & Only live nitrifying solution in a new tank setup
    DrTim’s Aquatics One & Only for Freshwater Aquariums – 2 oz Live Nitrifying Solution
    Introducing DrTim’s Aquatics One & Only for Freshwater Aquariums, a compact 2 oz live nitrifying solution designed to smooth the path from setup to steady, healthy water. Built on naturally occurring organisms, this product aims to support the early cycling process and help maintain...
    £31.23
    £31.23
  • Two Little Fishies Aquastik red reef putty closeup for secure rock placement.Two Little Fishies Aquastik red underwater epoxy closeup during reef setup.
    Two Little Fishies Aquastik Red Underwater Epoxy Putty for Reef Tanks — 114 g
    Two Little Fishies Aquastik Red is an underwater epoxy putty designed for marine and reef aquariums. The crimson shade is crafted to blend with coralline algae and live rock, helping hobbyists build, repair, and secure rockwork without lifting the tank fixtures. This jumbo 114...
    £35.35
    £35.35

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.

Related at Petvita

Recently Viewed Products