Back Garden, Pool & PatioLeroy MerlinBlu52 pool alum flocculantR 64.90Leroy Merlin ยท checked 10 days ago View at Leroy Merlin AverageR 64.90Lowest seenR 64.90Highest seenR 64.90Last changeR 0.00First indexed26 Sep 2026RetailerLeroy MerlinPrice historySimilar productsAquazen7Aquazen7 Alum Flocculant 5kg - Pool Water Clarifier4.2(4)R 259.00BLU52BLU52 Alum Flocculent 1 kg for Swimming Pools, Water ClarifierR 85.00BluechemBluechem Alum Flocculant Pool Treatment 1.5 kgR 79.00