| 8 Products | Sep 2024 | Sep 2025 | Change |
| Calgon 4-in-1 Washing Machine Water Softener Limescale Protection Gel (750ml) | £7.47 | £7.00 | - £0.47 -6.3% 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 | £5.00 | - £1.18 0.2% decrease |
| | £7.00 | £7.00 | £0.00 0.2% increase |
| | £9.99 | £9.99 | £0.00 0.1% increase |
| | £6.49 | £6.49 | £0.00 0.1% increase |
| | £12.29 | £8.04 | - £4.25 -6.3% decrease |
| Calgon 4-in-1 Washing Machine Water Softener Tablets Limescale Protection () | £5.94 | £5.69 | - £0.25 -4.2% decrease |
| | £5.70 | £4.98 | - £0.72 -12.6% decrease |
| | £6.00 | £6.00 | £0.00 -6.2% increase |
| | £6.00 | £6.00 | £0.00 -4.1% increase |
| | £5.50 | £6.00 | + £0.50 -0.9% increase |
| | £5.95 | £5.95 | £0.00 -0.7% increase |
| | £5.00 | £5.00 | £0.00 -0.5% increase |
| | £6.00 | £6.00 | £0.00 -0.7% increase |
| | £4.99 | £4.99 | £0.00 -0.4% increase |
| | £8.35 | £6.25 | - £2.10 -4.2% decrease |
| Calgon 4-in-1 Washing Machine Cleaner Tablets () | £13.62 | £13.85 | + £0.23 1.7% increase |
| | £14.65 | £15.98 | + £1.33 9.1% increase |
| | £12.00 | £12.00 | £0.00 5% increase |
| | £16.00 | £16.00 | £0.00 3.1% increase |
| | £9.00 | £9.00 | £0.00 2.6% increase |
| | £10.35 | £10.35 | £0.00 2.2% increase |
| | £18.50 | £21.00 | + £2.50 4.8% increase |
| | £15.39 | £12.48 | - £2.91 0.9% decrease |
| | £13.05 | £13.99 | + £0.94 1.7% increase |
| 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 () | £14.44 | £12.21 | - £2.23 -15.4% 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 |
| | £14.00 | £7.85 | - £6.15 -15.4% decrease |
| Calgon 4-in-1 Washing Machine Water Softener Tablets () | £18.33 | £19.08 | + £0.75 4.1% increase |
| | £23.50 | £20.00 | - £3.50 -14.9% decrease |
| | £20.93 | £20.93 | £0.00 -7.9% increase |
| | £10.56 | £16.31 | + £5.75 4.1% increase |
| Calgon Hygiene Tabs Water Softener () | £22.83 | £20.84 | - £1.99 -8.7% decrease |
| | £24.25 | £25.50 | + £1.25 5.2% increase |
| | £22.69 | £16.02 | - £6.67 -11.5% decrease |
| | £21.55 | £20.99 | - £0.56 -8.7% 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 |
