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5 Best Additives of 2025

Last Updated - 27/06/2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Archoil

Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 1L Treats 1,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (1Litre)

Archoil

£25.95

More Details
Main highlights
- TRANSFORMS ALL DIESEL ENGINES GUARANTEED. Improved Cold Start, Eliminates Diesel Knock, Fuel System Cleaner, Fuel Injector Cleaner, Carbon Cleanr, DPF Cleaner, EGR Valve Cleaner, CAT Cleaner, Turbo Cleaner and Exhaust cleaner.
- RESOLVES ENGINE PROBLEMS. Multiple detergents and post-combustion fuel-borne catalysts deliver a proprietary blend of Professional Grade Cleaning. Now you can reduce the chance of engine problems while enjoying a smoother and more responsive engine.
- MAXIMUM ENGINE PERFORMANCE AND FUEL ECONOMY. This diesel additive maintains & improves engine pickup, performance and fuel economy. This diesel additive also lowers harmful exhaust emissions and exhaust particulates.
- HIGHLY CONCENTRATED FORMULATION with no fillers. 100% Active Ingredients and manufactured in the UK. 1ml Treats 1L of Diesel Fuel. 1L bottle treats up to 1,000L of fuel.
- EXCEPTIONAL HIGH-PERFORMING SUPER DIESEL FUEL. AR6900-D MAX converts low-quality supermarket diesel into high-performing Super Diesel Fuel using a carefully selected blend of pure 2-EHN cetane improver, multiple detergents, ester lubricant, stabiliser and combustion catalyst.
- CUSTOMER SATISFACTION IS OUR PRIORITY. Feel free to contact us if you have any query regarding this diesel cleaner. All Archoil fuel cleaners include professional support and Performance and Emissions Pass Guarantee. Over a decade of success and trusted by professionals.
- CLASS LEADING CETANE IMPROVER AND ESTER LUBRICANT using the highest purity 2-EHN and proprietary ester lubricant delivering below 290 on the HFRR scar wear test.
£25.95
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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

NutriPaw

£24.99

More Details
Main highlights
- 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!
- 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
- 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
- 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
- "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!"
£24.99
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Thorsons

E FOR ADDITIVES (Completely Revised Bestselling Number Guide)

Thorsons

£12.99

More Details
Main highlights
- No quibbles returns
- New
- Mint Condition
- Guaranteed packaging
- Dispatch same day for order received before 12 noon
£12.99
4
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Dryzone

Dryzone Anti-Mould Additive 100ml Concentrate to Make 5L of Emulsion, Vinyl, Silk or Matt Paint

Dryzone

£10.99

More Details
Main highlights
- Lasts for up to 5 years: prevents the recurrence of black mould
- Easy to use and cost effective
- Compatible with all types of paint (emulsion, vinyl, silk or matt)
- Compatible with all known paint finishes
- Adds mould-resistance to paints, wallpaper pastes and grouts
£10.99
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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

Plaqtiv+

£15.99

More Details
Main highlights
- ✅ 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.
- PLAQTIV+ drinking water additive – Plaqtiv+ is an innovative dental care range developed on the basis of scientific findings and can support good oral hygiene.
£15.99

5 Best Additives of 2025

Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 1L Treats 1,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (1Litre)

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

E FOR ADDITIVES (Completely Revised Bestselling Number Guide)

Dryzone Anti-Mould Additive 100ml Concentrate to Make 5L of Emulsion, Vinyl, Silk or Matt Paint

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

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