Compared daily across 3 UK stores

Duck Fresh Boost Toilet Rim Block Marine Wave 2x16g

2 × 16g · £39.06/kg

All 3 stores

• ASDA£1.25£39.06/kg-Visit →
• Tesco£1.25 with Clubcard£39.06/kg-Visit →
• Sainsbury's£1.80£56.25/kg+£0.55Visit →

Across all stores in the last 60 days, the price ranged from £1.25 on 16 Oct 2026 to £1.80. Today's lowest price sits near the bottom of that range.

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• Duck Fresh Boost Marine£1.25 at Morrisons · £39.06/kg
• Duck Active Clean Rim Block Tropical£1.50 at Morrisons · £1.50 each
• Duck Active Clean Rim Block Toilet Cleaner Duo Marine 2x38.6g£2.25 with Nectar at Sainsbury's · £29.15/kg · Cheaper per unit