Sugar soap powder vs liquid: which format suits your job
Updated: October 2026
Choosing sugar soap powder vs liquid is a three-way decision: powder, liquid concentrate or ready-to-use spray. Powder and concentrate both make a bucket mix, and their printed quantities differ. Spray is already diluted, and it trades economy for speed on a small area. The seven products on the [sugar soap comparison](/hub/diy-supplies/sugar-soap) show why format alone does not reveal strength. Match the format to one job, then follow that pack. Prices are the amazon.co.uk figures from 15 October 2026. Peter F. did not run a laboratory test. A qualifying purchase can earn a commission at no extra cost to you.
Choosing sugar soap powder vs liquid is a three-way decision: powder, liquid concentrate or ready-to-use spray. Powder and concentrate both make a bucket mix, and their printed quantities differ.
Choosing sugar soap powder vs liquid is a three-way decision: powder, liquid concentrate or ready-to-use spray. Powder and concentrate both make a bucket mix, and their printed quantities differ. Spray is already diluted, and it trades economy for speed on a small area. The seven products on the sugar soap comparison show why format alone does not reveal strength. Match the format to one job, then follow that pack. Prices are the amazon.co.uk figures from 15 October 2026. Peter F. did not run a laboratory test. A qualifying purchase can earn a commission at no extra cost to you.
Our top picks
| Badge | Product | Format | Paint-prep mix | Label arithmetic | Note | Price | Offer |
|---|---|---|---|---|---|---|---|
| Best overall |  Bartoline Bartoline sugar soap spray, pack of 2 | Ready-to-use spray | No dilution | About £5.36 per litre applied | 6.9 | about £5.36 | View offer |
 Bartoline Bartoline sugar soap concentrate 500 ml | Liquid concentrate | About 125 ml in 4.5 litres on the sheet | About £0.24 per mixed litre | 8.4 | about £4.34 | View offer | |
| Preis-Tipp |  Bartoline Bartoline traditional sugar soap 500 g | Powder | 500 g in 10 litres, printed | About £0.85 per mixed litre | 6.3 | about £8.54 | View offer |
On this page
Three formats, not two
Powder is dissolved in water. The Bartoline listing prints 500 g in 10 litres of warm water for paint preparation and 250 g in 10 litres for general cleaning, then a rinse. One reviewer found it messier than ready liquid.
Concentrate also makes a bucket, without granules. Bartoline's 500 ml listing says dilute, scrub, rinse and dry, and it does not give the quantity. The sheet specifies about 125 ml in 4.5 litres for repainting. You need that instruction and a way to measure it.
Spray is the third format. The Bartoline packs say spray, wipe and rinse. A trigger bottle suits doors and local marks. You buy the water in the litre, and you cannot adjust the mix. Missing instructions are in the sugar soap buying guide.
What a mixed litre costs in this set
The captured prices allow label arithmetic, not a coverage claim. Bartoline concentrate was about £4.34 on 15 October 2026. At the sheet's 125 ml in 4.5 litres, the bottle makes four batches and the sum is about £0.24 per mixed litre. The Amazon bullets do not print that ratio, and the figure is not square metres cleaned.
Bartoline powder was about £8.54. At 500 g in 10 litres the sum is about £0.85 per mixed litre. The title says 500 g and a weight line says 450 g. At these prices the powder is dearer per mixed litre than the concentrate.
The two-pack spray was about £5.36 for one litre of ready-to-use liquid, so about £5.36 per litre applied. The four-pack was about £10.72 for two litres. Both share model 104662148 and one parent rating. Four bottles change the quantity, not the strength. Wipes and 1.5 kg packs are outside this snapshot.
The same 4.5 litres can mean different mixes
Two labels can mention 4.5 litres and still require different amounts. Bartoline's sheet uses about 125 ml in 4.5 litres for repainting. The ZYBUX bullet says each full 500 ml bottle with 4.5 litres. That is four times the concentrate for the same stated water. It does not, by itself, prove four times the cleaning power.
Do not put the ZYBUX dose on Bartoline. ZYBUX was about £9.95 for two bottles and printed no weaker household rate. One reviewer called it weaker than described.
Mangers says 10L mix and the captured page has no usable ratio, with conflicting 450 g, 10 gram and 10 litre fields. The SEVENMEET three-flask listing also has no ratio, despite Bartoline in the title. One spray reviewer called the ready-made mix too weak for many jobs. That is one buyer's report, not a strength test.
Which format fits which job?
Choose powder when you want both rates printed and you expect a sizeable bucket. Bartoline's powder is the clear example. Check the 500 g title against the 450 g weight field. A few fingerprints do not need it.
Choose concentrate for a room if you would rather measure liquid than dissolve powder. Bartoline's was the lowest shelf price, with a matching manufacturer field, but the Amazon listing omits the ratio. Use the sheet or the label. ZYBUX prints its own 500 ml instruction. It is not a Bartoline recipe.
Choose spray for a small task where no measuring is worth the higher cost per litre. Two bottles are enough to try the format. Four are only more volume. A greasy kitchen is a bucket job, and heavy tar is not guaranteed to lift. Mixing and eye safety are in how to use sugar soap.
Common questions
Is sugar soap powder cheaper than liquid?
Not in this recorded comparison. Label arithmetic put Bartoline powder at about £0.85 per mixed litre and Bartoline concentrate at about £0.24, using each product's paint-preparation instruction. Prices can change. Neither number measures coverage or cleaning performance.
Is ready-to-use spray just diluted concentrate?
The spray is sold as a ready-to-use formula. The sources do not establish that it is simply the listed concentrate at a known dilution. Treat it as its own product and follow its spray, wipe and rinse directions rather than trying to recreate it from the concentrate bottle.
Is liquid easier than powder?
Concentrate avoids dissolving powder, and spray removes measuring entirely. Powder can be easier to follow when its ratio is printed and a liquid listing omits one. Ease depends on the format and on whether the instruction is actually on the page or the pack.
Why does ZYBUX use more product in 4.5 litres?
Its listing specifies 500 ml, while Bartoline's sheet specifies about 125 ml for repainting. The sources do not provide a formulation analysis that explains the difference. Follow each brand on its own, and do not infer that the larger dose is automatically stronger.
Does a four-pack spray clean better than a two-pack?
No evidence suggests that. Both Bartoline packs share the same model, directions and parent reviews. Four bottles provide twice as much ready-to-use liquid. At the captured prices they also cost twice as much, about £10.72 against about £5.36.
What about Mangers powder?
Its listing says 10L mix and does not supply a usable ratio. Several quantity fields conflict, including 450 g, 10 grams and 10 litres. If the physical box gives a clear instruction you can follow that. The captured marketplace data is not enough for a fair cost-per-mixed-litre comparison.
Related pages
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.
- Bartoline powder TDS (retrieved 15 October 2026)
- Bartoline powder SDS5255 (retrieved 15 October 2026)
- Bartoline concentrate SDS (retrieved 15 October 2026)
- HSE, detergents regulations (retrieved 15 October 2026)
- Dulux, preparation and tools (retrieved 15 October 2026)
- NHS, acid and chemical burns (retrieved 15 October 2026)
- Wikipedia, sugar soap (retrieved 15 October 2026)
- The Paint Shed, Bartoline liquid concentrate (retrieved 15 October 2026)