| 7 Products | Dec 2024 | Dec 2025 | Change |
| Calgon 4-in-1 Washing Machine Water Softener Limescale Protection Gel (750ml) | £6.86 | £6.54 | - £0.32 -4.7% decrease |
| | £5.00 | £5.00 | £0.00 No change |
| | £7.00 | £7.00 | £0.00 No change |
| | £7.00 | £7.00 | £0.00 No change |
| | £6.25 | £7.50 | + £1.25 5.1% increase |
| | £6.18 | £7.35 | + £1.17 7.6% increase |
| | £7.00 | £7.00 | £0.00 6.2% increase |
| | £9.99 | £5.00 | - £4.99 -5.3% decrease |
| | £6.49 | £6.49 | £0.00 -4.7% increase |
| Calgon 4-in-1 Washing Machine Cleaner Tablets () | £12.48 | £13.33 | + £0.85 6.8% increase |
| | £12.00 | £11.98 | - £0.02 -0.2% decrease |
| | £12.00 | £12.00 | £0.00 -0.1% increase |
| | £16.00 | £16.00 | £0.00 No change |
| | £9.00 | £9.00 | £0.00 No change |
| | £10.35 | £10.35 | £0.00 No change |
| | £16.00 | £21.00 | + £5.00 6.6% increase |
| | £12.00 | £12.99 | + £0.99 6.8% increase |
| Calgon Hygiene Tabs Water Softener () | £5.78 | £5.91 | + £0.13 2.2% increase |
| | £4.25 | £4.25 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £6.00 | £6.00 | £0.00 No change |
| | £8.87 | £9.39 | + £0.52 2.2% increase |
| Calgon Hygiene Plus Washing Machine Water Softener () | £15.17 | £15.17 | £0.00 No change |
| | £12.00 | £12.00 | £0.00 No change |
| | £15.50 | £15.50 | £0.00 No change |
| | £18.00 | £18.00 | £0.00 No change |
| Calgon 4-in-1 Washing Machine Water Softener Tablets () | £22.97 | £22.97 | £0.00 No change |
| | £25.00 | £25.00 | £0.00 No change |
| | £20.93 | £20.93 | £0.00 No change |
| Calgon Hygiene Tabs Water Softener () | £22.85 | £21.00 | - £1.85 -8.1% decrease |
| | £23.00 | £25.50 | + £2.50 10.9% increase |
| | £22.69 | £16.49 | - £6.20 -8.1% decrease |
| Calgon 4 in 1 Washing Machine Cleaner Limescale Tablets () | £12.40 | £16.00 | + £3.60 29% increase |
| | £12.40 | £16.00 | + £3.60 29% increase |
