![SmartSeal Patio Clean Xtreme – Powerful, Highly Concentrated Patio Cleaner & Black Mould Spot Remover- for Natural Stone, Concrete, Paving Slabs, Indian Sandstone & Limestone (5 Litre)… : Amazon.co.uk: Garden SmartSeal Patio Clean Xtreme – Powerful, Highly Concentrated Patio Cleaner & Black Mould Spot Remover- for Natural Stone, Concrete, Paving Slabs, Indian Sandstone & Limestone (5 Litre)… : Amazon.co.uk: Garden](https://m.media-amazon.com/images/I/81gKXGt+2NL._AC_SX466_.jpg)
SmartSeal Patio Clean Xtreme – Powerful, Highly Concentrated Patio Cleaner & Black Mould Spot Remover- for Natural Stone, Concrete, Paving Slabs, Indian Sandstone & Limestone (5 Litre)… : Amazon.co.uk: Garden
![Exterior Concrete Floor Cleaning Polishing Machine Stock Footage Video (100% Royalty-free) 22166569 | Shutterstock Exterior Concrete Floor Cleaning Polishing Machine Stock Footage Video (100% Royalty-free) 22166569 | Shutterstock](https://ak9.picdn.net/shutterstock/videos/22166569/thumb/1.jpg?ip=x480)
Exterior Concrete Floor Cleaning Polishing Machine Stock Footage Video (100% Royalty-free) 22166569 | Shutterstock
![Cleaned this concrete slab with a bristle brush and concrete cleaner, but still pretty patchy. will sealing it make the colour more uniform? I want to make sure it's as clean as Cleaned this concrete slab with a bristle brush and concrete cleaner, but still pretty patchy. will sealing it make the colour more uniform? I want to make sure it's as clean as](https://i.redd.it/avwijrwzkl4a1.jpg)