Patio Cleaner 1L|HG Hagesan Patio Cleaner is a highly concentrated cleaner that has been specially designed for the cleaning of dirty and stained concrete, slabs and paving stones.|. HG Patio Cleaner can also be used on coloured paving slabs.|Use our Deck Scrubber when using HG Patio Cleaner. HG Green Slime Remover is recommended for cleaning off moss and green lichen crust.|Caution: HG Patio Cleaner is irritating to eyes. Safety Goggles are recommended during use. Coverage: Approx. 25 m 1 Litre