Fast-Acting Patio & Paving Cleaner (2.5L+2.5L) = 5 - Sodium Hypochlorite Based, Rinse-Off Outdoor Cleaner for Stone, Concrete & Slabs - Removes Black Spots, Mould Stains & Dirt. Fast-Acting Patio & Outdoor Surface Cleaner – Deep Clean for Stone, Concrete & Paving.
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