dilutioncalculator.co.uk§ Verified 20 Jun 2026 · Reviewed by A. Hargreaves, MChem (Hons)
Selgiene Ultra dilution
Manufacturer-recommended dilution of 1:100. 1:100 for routine sanitising; 1:20 for heavy soiling and odour.
§ 1Recommended dilution
General
1:100
Heavy / outbreak
1:20
§ 2Dose by vessel · at 1:100
| Vessel | Concentrate | Water | % v/v |
|---|---|---|---|
| 750 ml trigger spray | 7.4 ml | 743 ml | 0.99 |
| 5 L mop bucket | 49.5 ml | 4 950 ml | 0.99 |
| 10 L bucket | 99.0 ml | 9 901 ml | 0.99 |
| 25 L drum | 247.5 ml | 24 752 ml | 0.99 |
§ 3All recommended ratios in a 5 L bucket
| Ratio | Concentrate (ml) | Water (ml) | % v/v |
|---|---|---|---|
| 1:20 | 238.1 | 4 761.9 | 4.76 |
| 1:100 | 49.5 | 4 950.5 | 0.99 |
| 1:200 | 24.9 | 4 975.1 | 0.50 |
Vessel: mop bucket (5000 ml).
§ 4Standards and claims
- BS EN 1276 (bactericidal suspension test) · manufacturer claim at the recommended dilution.
- BS EN 14476 (virucidal activity) · manufacturer claim at the recommended dilution.
- Manufacturer page: www.selden.co.uk[1]
- SDS: www.selden.co.uk
§ 5Related
Verified 2026-06-20 against manufacturer page and SDS.