| 7 Products | Oct 2024 | Oct 2025 | Change |
| Calgon 4-in-1 Washing Machine Water Softener Limescale Protection Gel (750ml) | £7.03 | £7.26 | + £0.23 3.3% increase |
| | £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 | £9.99 | £0.00 4.9% increase |
| | £6.49 | £6.49 | £0.00 4.5% increase |
| | £8.34 | £7.99 | - £0.35 3.3% decrease |
| Calgon 4-in-1 Washing Machine Cleaner Tablets () | £13.70 | £13.35 | - £0.35 -2.6% decrease |
| | £14.00 | £15.98 | + £1.98 14.1% increase |
| | £12.00 | £12.00 | £0.00 7.6% increase |
| | £16.00 | £16.00 | £0.00 4.7% increase |
| | £9.00 | £9.00 | £0.00 3.9% increase |
| | £10.35 | £10.35 | £0.00 3.3% increase |
| | £18.50 | £21.00 | + £2.50 5.6% increase |
| | £14.64 | £9.98 | - £4.66 -0.2% decrease |
| | £15.13 | £12.49 | - £2.64 -2.6% decrease |
| Calgon Hygiene Tabs Water Softener () | £6.91 | £6.83 | - £0.08 -1.2% decrease |
| | £4.25 | £4.25 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £6.00 | £6.00 | £0.00 No change |
| | £9.79 | £9.39 | - £0.40 -1.7% decrease |
| | £10.49 | £10.49 | £0.00 -1.2% increase |
| Calgon Hygiene Plus Washing Machine Water Softener () | £14.56 | £12.21 | - £2.35 -16.1% decrease |
| | £12.00 | £12.00 | £0.00 No change |
| | £15.50 | £15.50 | £0.00 No change |
| | £16.25 | £13.50 | - £2.75 -6.2% decrease |
| | £14.50 | £7.85 | - £6.65 -16.1% decrease |
| Calgon 4-in-1 Washing Machine Water Softener Tablets () | £18.81 | £17.79 | - £1.02 -5.4% decrease |
| | £23.50 | £20.00 | - £3.50 -14.9% decrease |
| | £20.93 | £20.93 | £0.00 -7.9% increase |
| | £11.99 | £12.45 | + £0.46 -5.4% increase |
| Calgon Hygiene Tabs Water Softener () | £22.40 | £19.94 | - £2.46 -11% decrease |
| | £24.25 | £25.50 | + £1.25 5.2% increase |
| | £20.27 | £16.02 | - £4.25 -6.7% decrease |
| | £22.69 | £18.29 | - £4.40 -11% 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 |
