Patio Magic contains a fungicide, and while that will kill the lichens, algae, mould and moss, it won’t burn them off the patio.

Benzalkonium chloride. Use biocides safely. Always read the label and product information before use Weeds, of course, are perhaps the most common natural nasties in any garden or on any driveway. But does patio magic kill weeds? Yes, to an extent. Patio magic kills the plant by depriving them of water and food sources like sunlight and nutrients. TIP: Always make sure you are wearing gloves when mixing the solution. How to use patio magic? 1. Preparing Your Surface To Be Cleaned This cleaner generally works very well and marks good value for money. It has a recommended dilution rate of 1:5 with water, and it can also be applied neat if needed. For less affected areas, opt for a dilution rate of 1:10.With over a decade of experience designing, building, and maintaining patios, fire pits, and porches, Bob Vil is an expert in all things outdoor living. This chemical is widely used in the cleaning industry and can be found in dozens of professional and readily-available patio cleaning products and I’ve used it myself in the past. The Patio Magic Mould & Algae Killer is one such product. This concentrated patio cleaner continues to remove the regrowth of green mould and algae, even if you applied the product months ago. Patio Magic kills green mould and algae in 2-4 days and continues to clean the treated surface in the following months. As a result, the effects of the product last between six and twelve months after the initial application.

Once treated, this solution produces an invisible barrier which can help to prevent regrowth for up to 6 months. It doesn’t contain any acid or bleach, so won’t damage your surfaces. It’s also safe to use around children and pets, although they should still be kept off the treated area until it has dried. Some products may be delivered straight to your door from one of our suppliers and these products will be labelled within the product description.You can then wash it off with a hose or jet wash, the latter of which gave us better results. It does have its limits though, as exceptionally dirty patios will probably need something more powerful, or at the very least a jet wash both before and after use.