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Sugar soap buying guide: choose the right format

Updated: October 2026

You are about to paint, and the basket choice is not simply sugar soap or nothing. A sugar soap buying guide has to separate powder, liquid concentrate and ready-to-use spray, because they suit different amounts of cleaning and they do not share one mix. It also has to check who made the bottle, rather than trusting a crowded marketplace title. Prices and fields are the seven amazon.co.uk listings on the [sugar soap comparison](/hub/diy-supplies/sugar-soap), checked on 15 October 2026. This page stops at format, pack and the manufacturer field. Peter F. did not run a laboratory test. A qualifying purchase can earn a commission at no extra cost to you.

You are about to paint, and the basket choice is not simply sugar soap or nothing.

Our top picks

Bartoline Bartoline sugar soap spray, pack of 2

Best overall

Bartoline Bartoline sugar soap spray, pack of 2
6.9/10about £5.36
View offer
Bartoline Bartoline sugar soap concentrate 500 ml

Rank 2

Bartoline Bartoline sugar soap concentrate 500 ml
8.4/10about £4.34
View offer
Bartoline Bartoline traditional sugar soap 500 g

Preis-Tipp

Bartoline Bartoline traditional sugar soap 500 g
6.3/10about £8.54
View offer
On this page
  1. 1.What you are actually buying
  2. 2.Powder, concentrate or ready-to-use spray
  3. 3.Pack size, instructions and missing options
  4. 4.Check the brand and manufacturer fields

What you are actually buying

Decorator's sugar soap is an alkaline surface cleaner for grease, grime and residues before painting. It is not edible sugar, and it is not soap for your hands or body. One powder listing in this set has fields for hands, the body and icing sugar, while the title and the buyer reports describe a decorating cleaner. Start with the job, not the star line. A greasy kitchen wall or a nicotine film usually wants a bucket and a rinse. A marked door may only justify a trigger spray. Whether this room needs a wash is in sugar soap before painting. The label in your hand is the authority for dilution. The two- and four-bottle Bartoline sprays share model 104662148 and one parent count of 2,089 ratings.

Powder, concentrate or ready-to-use spray

Powder and concentrate both make sense when you will fill a bucket. The Bartoline powder listing prints 500 g in 10 litres of warm water for paint preparation, and 250 g in 10 litres for general cleaning. The title says 500 g and a weight field says 450 g, so check the live pack. The Bartoline 500 ml listing, about £4.34, says dilute and rinse, and it does not print a ratio. Bartoline's sheet gives about 125 ml in 4.5 litres for paint preparation, for that product only. ZYBUX tells you to put a whole 500 ml bottle into 4.5 litres. A spray skips measuring. The two-bottle Bartoline pack was about £5.36, and every litre in the bottle is a litre you apply. One shared-set reviewer called that liquid too weak for many jobs. The format split is in sugar soap powder vs liquid.
Bartoline Bartoline sugar soap spray, pack of 2

Testsieger

Bartoline Bartoline sugar soap spray, pack of 2
6.9/10about £5.36
View offer

Pack size, instructions and missing options

Buy enough for one job, not simply the biggest bundle. The four-bottle Bartoline spray was about £10.72, twice the two-pack price on the same date. It is the same model, not a stronger cleaner. Four bottles make sense only if you already want two litres of ready-to-use spray. The Bartoline powder prints two mix rates and a rinse. The concentrate listing says dilute and omits the quantity. Mangers says 10L mix in the title and does not give a usable ratio. ZYBUX prints 500 ml with 4.5 litres, and that dose must not be copied onto another bottle. The sequence after you buy is in how to use sugar soap. Merchants also sell 1 litre concentrates, 1.5 kg boxes and wipes. Those are not among these seven listings.

Check the brand and manufacturer fields

A marketplace title can attach a brand the structured fields do not support. Listing B07D2LTM2F used Bartoline in the title. The brand field was Sugar Soap and the manufacturer was SEVENMEET. It claimed three 500 ml flasks beside a 100 g weight and dimensions of 10 × 5 × 3 cm, which cannot describe that pack. Check the live page and the seller before you buy. The Bartoline concentrate and powder name Tetrosyl Express Limited. ZYBUX and Mangers identify themselves. That three-flask row showed 4.7 from 578 ratings at about £5.62. Neither figure repairs the manufacturer conflict or supplies a dilution.

Common questions

Is powder stronger than liquid sugar soap?
Not necessarily. Strength depends on the formulation and the amount mixed into water, not on whether the starting product is powder or liquid. Bartoline prints different quantities for its powder and its concentrate. Compare the instruction for the pack you intend to buy, rather than assuming that every powder is stronger.
Is a ready-to-use spray concentrated?
No mixing is required for the Bartoline sprays in this set. Their bullets say spray, wipe and rinse. A listing attribute nevertheless calls them concentrated, which conflicts with the title and the directions. Treat the use instructions and the physical pack as more relevant than that stray attribute.
Does a 500 ml concentrate cover one room?
The sources do not provide a dependable square-metre coverage for these listings. Coverage changes with dilution, wall texture and how greasy the surface is. Bartoline's technical sheet gives a mix quantity. That is not a tested promise that one bottle covers a particular room.
Are the two- and four-bottle sprays different?
They share model 104662148, the same instructions and the same parent rating count of 2,089. The recorded prices scaled from about £5.36 for two bottles to about £10.72 for four. Choose by the amount you will use, not because the four-pack looks like another formula.
Can I use one brand's dilution for another?
No. Bartoline's concentrate sheet uses about 125 ml in 4.5 litres for paint preparation, while the ZYBUX listing says 500 ml in 4.5 litres. Mangers and the SEVENMEET-manufactured multipack provide no usable ratio in the captured listing, so read the pack in your hand.
Which sugar soap should a first-time buyer choose?
Choose a spray for a small, local job where convenience outweighs the cost per litre applied, or a clearly labelled powder or concentrate for a room-sized wash. Check the manufacturer, the dilution and the rinse directions first. There is no single answer without the surface and the amount of cleaning.

Related pages

Best sugar soap

Sugar soap

Sugar soap before painting: when the wall needs a wash

How to use sugar soap: mix, rinse, then let it dry

Sugar soap powder vs liquid for a bucket or a spray

Sources

Bartoline sheets, Dulux, HSE, NHS, The Paint Shed and Wikipedia. Prices and stars are the amazon.co.uk listings on 15 October 2026. Prices move.

  1. Bartoline powder TDS (retrieved 15 October 2026)
  2. Bartoline powder SDS5255 (retrieved 15 October 2026)
  3. Bartoline concentrate SDS (retrieved 15 October 2026)
  4. HSE, detergents regulations (retrieved 15 October 2026)
  5. Dulux, preparation and tools (retrieved 15 October 2026)
  6. NHS, acid and chemical burns (retrieved 15 October 2026)
  7. Wikipedia, sugar soap (retrieved 15 October 2026)
  8. The Paint Shed, Bartoline liquid concentrate (retrieved 15 October 2026)