| 12 Products | Apr 2024 | Apr 2025 | Change |
| Calgon 4-in-1 Washing Machine Water Softener Limescale Protection Gel (750ml) | £6.68 | £7.30 | + £0.62 9.3% increase |
| | £6.99 | £8.39 | + £1.40 20% increase |
| | £6.97 | £9.99 | + £3.02 31.7% increase |
| | £7.50 | £7.50 | £0.00 20.7% increase |
| | £6.18 | £7.35 | + £1.17 20.3% increase |
| | £7.00 | £7.00 | £0.00 16.2% increase |
| | £7.00 | £7.00 | £0.00 13.4% increase |
| | £7.00 | £7.00 | £0.00 11.5% increase |
| | £6.49 | £6.49 | £0.00 10.2% increase |
| | £5.00 | £5.00 | £0.00 9.3% increase |
| Calgon 4-in-1 Washing Machine Water Softener Tablets Limescale Protection () | £6.10 | £5.94 | - £0.16 -2.6% decrease |
| | £8.96 | £8.51 | - £0.45 -5% decrease |
| | £6.00 | £4.98 | - £1.02 -9.8% decrease |
| | £6.00 | £6.00 | £0.00 -7% increase |
| | £6.00 | £6.00 | £0.00 -5.5% increase |
| | £5.95 | £5.95 | £0.00 -4.4% increase |
| | £6.00 | £6.00 | £0.00 -3.9% increase |
| | £6.00 | £6.00 | £0.00 -3.3% increase |
| | £4.99 | £4.99 | £0.00 -3% increase |
| | £5.00 | £5.00 | £0.00 -2.6% increase |
| Calgon 4-in-1 Washing Machine Cleaner Tablets () | £13.23 | £13.32 | + £0.09 0.7% increase |
| | £14.00 | £13.82 | - £0.18 -1.3% decrease |
| | £14.47 | £8.39 | - £6.08 -22% decrease |
| | £16.00 | £21.00 | + £5.00 -2.8% increase |
| | £14.00 | £16.00 | + £2.00 1.2% increase |
| | £16.00 | £16.00 | £0.00 1% increase |
| | £10.35 | £10.35 | £0.00 0.8% increase |
| | £9.00 | £9.00 | £0.00 0.8% increase |
| | £12.00 | £12.00 | £0.00 0.7% increase |
| Dri-Pak Homecare Soda Crystals (1kg) | £2.65 | £2.33 | - £0.32 -12.1% decrease |
| | £4.78 | £1.89 | - £2.89 -60.5% decrease |
| | £2.00 | £2.35 | + £0.35 -37.5% increase |
| | £2.35 | £2.35 | £0.00 -27.6% increase |
| | £2.00 | £2.00 | £0.00 -22.7% increase |
| | £2.00 | £2.00 | £0.00 -19.4% increase |
| | £1.35 | £1.35 | £0.00 -17.4% increase |
| | £5.37 | £5.37 | £0.00 -13% increase |
| | £1.34 | £1.34 | £0.00 -12.1% increase |
| | £6.91 | £6.74 | - £0.17 -2.5% decrease |
| | £9.79 | £8.95 | - £0.84 -8.6% decrease |
| | £6.00 | £6.00 | £0.00 -5.3% increase |
| | £10.49 | £10.49 | £0.00 -3.2% increase |
| | £4.25 | £4.25 | £0.00 -2.8% increase |
| | £4.00 | £4.00 | £0.00 -2.5% increase |
| Calgon Hygiene Plus Washing Machine Water Softener () | £15.00 | £19.17 | + £4.17 27.8% increase |
| | £18.00 | £14.50 | - £3.50 -19.4% decrease |
| | £14.50 | £34.67 | + £20.17 51.3% increase |
| | £15.50 | £15.50 | £0.00 34.8% increase |
| | £12.00 | £12.00 | £0.00 27.8% increase |
| Calgon 4-in-1 Washing Machine Water Softener Tablets () | £20.10 | £18.31 | - £1.79 -8.9% decrease |
| | £11.99 | £11.99 | £0.00 No change |
| | £25.00 | £22.00 | - £3.00 -8.1% decrease |
| | £23.32 | £20.93 | - £2.39 -8.9% decrease |
| Ecozone Laundry Water Softener Tablets 32 Tabs (568g) | £11.86 | £12.37 | + £0.51 4.3% increase |
| | £11.00 | £11.58 | + £0.58 5.3% increase |
| | £11.00 | £11.65 | + £0.65 5.6% increase |
| | £13.59 | £13.89 | + £0.30 4.3% increase |
| Calgon Hygiene Tabs Water Softener () | £22.44 | £23.62 | + £1.18 5.3% increase |
| | £21.94 | £22.37 | + £0.43 2% increase |
| | £22.39 | £22.99 | + £0.60 2.3% increase |
| | £23.00 | £25.50 | + £2.50 5.3% increase |
| Calgon 3-in-1 Washing Machine Water Softener Limescale Protection (750ml) | £12.40 | £12.40 | £0.00 No change |
| | £12.40 | £12.40 | £0.00 No change |
