10 Best Additives in The UK
Last updated on 14/09/2025
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1
HYDRA VULCAN Heating oil additive, 500ml treats up to 2,500 litres, additive for kerosene, additive for heating oil, heating oil for home additive, additive for kerosene
HYDRA
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HYDRA
HYDRA VULCAN Heating oil additive, 500ml treats up to 2,500 litres, additive for kerosene, additive for heating oil, heating oil for home additive, additive for kerosene
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Why We Love It
- Cleans injectors and burners.
- Removes carbon and soot.
- Reduces fuel consumption.
Main Highlights
- ADDITIVE FOR HEATING OIL & KEROSENE… Contains heavy duty detergents designed for heating oils and kerosene used as boiler fuel, will rapidly clean injectors and burners down to molecular levels.
- ADDITIVE FOR KEROSENE… Removes heavy build-up of carbon and soot deposits from all surfaces in the boiler fuel system.
- HEATING OIL ADDITIVE… Stabilises fuel by dissolving sludge in fuel tanks and Hydra Vulcan's dispersants help prevent it from reforming.
- MAKES PREMIUM KEROSENE… Turns normal heating oil kerosene / heating oil into premium kerosene / premium domestic heating oil this helps to reduce fuel consumption.
- USE WITH ALL DOMESTIC HEATING OIL… For all boilers 500ml treats Up To 2,500 litre
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Value for Money
2
NutriPaw Dental Formula Water Additive For Dogs & Cats - Clean Teeth, Healthy Gums & Fresh Breath - Manage Plaque & Tartar Build-Up - Fuss-Free - No Brushing Needed - Cat/Dog Mouthwash & Oral Health
NutriPaw
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NutriPaw
NutriPaw Dental Formula Water Additive For Dogs & Cats - Clean Teeth, Healthy Gums & Fresh Breath - Manage Plaque & Tartar Build-Up - Fuss-Free - No Brushing Needed - Cat/Dog Mouthwash & Oral Health
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Why We Love It
- Promotes clean teeth, healthy gums.
- Maintains fresh, kiss-friendly breath.
- Hassle-free oral pet care.
Main Highlights
- CLEAN TEETH & HEALTHY GUMS - Easy, quick & effective way to support your cat or dog's dental health. Helps to manage plaque & tartar build-up in those difficult-to-reach areas
- FRESH BREATH - Say goodbye to bad breath with our odour-fighting formula. Our fresh breath blend is packed with natural ingredients to maintain kiss-friendly breath
- HASSLE-FREE, FUSS-FREE - Skip the brushing, and stop the reliance on ineffective chews! The water additive is super easy to give, odourless & tasteless; just add it to their water bowl each day – it’s that easy!
- FOR CATS & DOGS - Suitable for both canine and feline friends. The perfect way to manage your pet's oral health, in just a few seconds per day
- "Remarkable difference in my pet's teeth, they are cleaner & their breath is kiss-able. There is 0 hassle, they don't notice a thing!"
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3
LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1
Liqui Moly
8% Off
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Liqui Moly
LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1
8% Off
Why We Love It
- Smoother engine performance guaranteed.
- Certified effectiveness with TÜV Thüringen.
- Extends engine's lifespan significantly.
Main Highlights
- SMOOTHER ENGINE PERFORMANCE FROM VERY FIRST USE: An engine additive formulated with high-tech ceramic compounds, high thermal resilience. Additive ensures smoother-running engine, extending the engine’s lifespan. Can be used with manual & automatic transmissions. Not suitable for use with wet clutches.
- LOWER FUEL CONSUMPTION and diminished emission of pollutants due to smoother engine operation.
- EASY TO ADD DURING OIL CHANGES: The 300 ml bottle is sufficient for up to 5 liters of engine oil. Shake well before use and add to fresh oil. Can be mixed with all gear & engine oils on the market. Long-lasting performance, up to 50,000 km.
- CERTIFIED EFFECTIVENESS proven by TÜV Thüringen: Chemical components in Cera Tec smooth out rough surfaces, the ceramic particles fill in uneven surface imperfections. Prevents direct contact of all metal parts, reducing friction and wear & tear. Turbo & Cat tested.
- EVERYTHING THAT DRIVES WORKS BETTER WITH LIQUI MOLY: We manufacture over 4,000 products: engine oils, additives, vehicle care, chemical servicing and repair, adhesives and sealing products. Our products are currently distributed to over 150 countries worldwide. They are popular everywhere, ensuring a superior driving experience and improved engine performance.
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4
Bailey & buddies Dental Formula Water Additive For Dogs & Cats - Clean Teeth, Healthy Gums & Fresh Breath - Manage Plaque & Tartar Build-Up - No Brushing Needed - Cat/Dog Oral Health & Mouthwash
Bailey & buddies
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Bailey & buddies
Bailey & buddies Dental Formula Water Additive For Dogs & Cats - Clean Teeth, Healthy Gums & Fresh Breath - Manage Plaque & Tartar Build-Up - No Brushing Needed - Cat/Dog Oral Health & Mouthwash
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Why We Love It
- Vet-recommended for effective care.
- Eliminates bad breath quickly.
- No brushing, stress-free solution.
Main Highlights
- Worried About Dog Bad Breath? Freshen your pet’s breath with our odourless, no brushing dental water additive – a gentle, vet-approved solution that works from the inside out. Perfect for dog breath that smells bad or fishy.
- No Brushing, No Stress – Struggling to clean your dog or cat’s teeth? Our dental rinse for pets blends seamlessly into drinking water – zero taste, zero hassle. Ideal for busy owners and fussy pets.
- Plaque & Tartar Support – Daily Formulated to help fight plaque and reduce tartar build-up. This natural pet dental solution supports long-term oral health and fresh breath when used consistently every day.
- Safe, Non-Toxic & Alcohol-Free Unlike harsh alternatives, we never use tea tree, mint or alcohol. Our UK-made oral rinse is crafted with safe ingredients, ideal for puppies, senior dogs, and sensitive cats.
- Made in the UK for Pet Parents Who Care Trusted by UK pet lovers, Bailey & Buddies provides clean, fuss-free dental care backed by science – without harsh chemicals or complicated routines.
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5
Oxyfresh Premium Pet Dental Care Solution Pet Water Additive: Best Way to Eliminate Bad Dog Breath and Cat Breath - Fights...
Oxyfresh
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Oxyfresh
Oxyfresh Premium Pet Dental Care Solution Pet Water Additive: Best Way to Eliminate Bad Dog Breath and Cat Breath - Fights...
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Why We Love It
- Eliminates bad pet breath.
- Easy water additive solution.
- Premium quality pet care.
Main Highlights
- Oxyfresh Premium Pet Dental Care Solution Pet Water Additive: Best Way To Eliminate Bad Dog Breath And Cat Breath Fights...
- Brand : Oxyfresh
- Product Type : Pet Supplies
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6
Millers Oils Diesel Power Ecomax Fuel Additive Treatment 500ml 0.5L NEW IMPROVED
Millers Oils
Millers Oils
Millers Oils Diesel Power Ecomax Fuel Additive Treatment 500ml 0.5L NEW IMPROVED
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Plaqtiv+ Drinking Water Additive | 500 ml Bottle | Care Product for Dogs and Cats | To Support Dental Care and Mouth Hygiene | Can Inhibit the Formation of Tartar
Plaqtiv+
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Plaqtiv+
Plaqtiv+ Drinking Water Additive | 500 ml Bottle | Care Product for Dogs and Cats | To Support Dental Care and Mouth Hygiene | Can Inhibit the Formation of Tartar
Why We Love It
- Promotes good oral pet hygiene.
- Features innovative Xpersiv technology.
- Holds prestigious VOHC seal.
Main Highlights
- PLAQTIV+ drinking water additive – Plaqtiv+ is an innovative dental care range developed on the basis of scientific findings and can support good oral hygiene.
- ✅ XPERSIV - TECHNOLOGY - The effect of Plaqtiv+ is based on Xpersive technology. The Xpersive complex binds minerals and can help inhibit the formation of tartar.
- VOHC quality seal – The effectiveness of the Plaqtiv+ has been studied, confirmed and awarded the coveted VOHC quality seal by the Veterinary Oral Heath Council (VOHC).
- Recommended use: shake well before use. Every time you fill your pet's water bowl fresh, add 2 dosing caps per 600ml drinking water (1 dosing cap = 10ml).
- Precautions – Never use toothpaste intended for humans on your pet. Keep out of the reach of children. Not intended for human use.
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8
Dipetane 1L Fuel Additive | Improve Fuel Economy | Reduce Emmisions | DPF Cleaner Diesel and Petrol | Flush and clean Engine, Injector and EGR valve
DIPETANE
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DIPETANE
Dipetane 1L Fuel Additive | Improve Fuel Economy | Reduce Emmisions | DPF Cleaner Diesel and Petrol | Flush and clean Engine, Injector and EGR valve
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Why We Love It
- Better fuel consumption performance.
- Reduces greenhouse gas emissions.
- Protects injectors against poor fuel.
Main Highlights
- ✅ [ IMPROVE FUEL ECONOMY ] Increase fuel economy by up to 10% due to Dipetane enabling a more efficient and complete fuel burn saving you money.
- ✅ [ DPF CLEANER ] Dipetane is a complete fuel system cleaner it cleans DPF, valves, pistons, injectors and Catalytic convertor helps engine last longer giving complete Engine Flush. Use as Injector Cleaner or EGR valve cleaner for great results. Works alongside Ad Blue and compliments the AdBlue benefits.
- ✅ [ LESS SMOKE ] Dipetane will remove soot and other internal combustion deposits from the engine through the complete combustion process created by Dipetane meaning less exhaust smoke and restores performance.
- ✅ [ FOR ALL ENGINES ] Ideal for all vehicles, Diesel, Petrol or kerosene engines, our unique fuel treatment upgrades all fuels without additives. No detergents, no cetane enhancers, no octane boosters, and no heavy metals. Simply pour it into your fuel tank, and it gets to work right away.
- ✅ [ BEST VALUE ] Our large 1 Litre bottle treats 4 full tanks or 200 Litres of fuel (Petrol, Diesel or Kerosene). There are 10 marked divisions on the side of the 1 litre bottle, each division treats 20 litres of fuel with no danger of overdosing.
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9
BUGALUGS Dog Breath Freshener Dental Care Water Additive. Clean Teeth, Healthy Gums & Fresh Breath - Natural Dog plaque remover & tartar remover for teeth - No Brushing Needed
BUGALUGS
17% OffFree Shipping
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BUGALUGS
BUGALUGS Dog Breath Freshener Dental Care Water Additive. Clean Teeth, Healthy Gums & Fresh Breath - Natural Dog plaque remover & tartar remover for teeth - No Brushing Needed
17% OffFree Shipping
Why We Love It
- Maintains dog's dental hygiene effectively.
- Promotes breath freshness effortlessly.
- Reaches difficult dental areas comfortably.
Main Highlights
- Manage tartar & plaque build-up effectively - used daily Bugalugs dog dental formula for water helps fight plaque & tartar while being an effective dog plaque remover for teeth. Your pets gums will be healthier and teeth cleaner without any hidden nasties
- Freshen breath without the fuss - Bugalugs Dental Care Solution is made with natural ingredients that help to protect teeth and gums, reducing plaque & tartar build up, whilst promoting fresh breath. Simply add to your dog's water bowl - no toothpaste for dogs, toothbrush for dogs, or brushing needed!
- Tasteless & odourless dog teeth cleaning products - contains no added flavours, making it easy to incorporate into your dog's daily routine. Multipurpose acting as a dog mouthwash, dog toothpaste and dog toothbrush in one simple step! Paired with Bugalugs Plaque Remover supplement (seaweed for dogs teeth) and dental sticks dogs you have your dog cleaning products covered without a toy, brush or chew
- Target hard to reach areas - for no fuss and worry free dog dental that dog toothbrush and toothpaste can't reach, a dog water additive dental solution is the ideal choice. Dog breath freshener in water helps promote fresh breath for dogs in a calm and soothing way
- Try Bugalugs other Dental health supplies for dogs – these include dog teeth wipes , dog dental sticks, enzymatic toothpaste dogs, Fresh breath dog spray, puppy toothbrush and paste & yak chews for dogs. Made in the UK with Lake District water, Vegan, Tested by Humans NOT on Animals, made with Natural Ingredients
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10
Dryzone Anti-Mould Additive 100ml Concentrate to Make 5L of Emulsion, Vinyl, Silk or Matt Paint
Dryzone
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Dryzone
Dryzone Anti-Mould Additive 100ml Concentrate to Make 5L of Emulsion, Vinyl, Silk or Matt Paint
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Why We Love It
- Prevents the recurrence of mould.
- Compatible with all paints.
- Cost effective and easy.
Main Highlights
- Adds mould-resistance to paints, wallpaper pastes and grouts
- Compatible with all types of paint (emulsion, vinyl, silk or matt)
- Lasts for up to 5 years: prevents the recurrence of black mould
- Compatible with all known paint finishes
- Easy to use and cost effective
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