When dirt and moisture come together on a porous surface, it's very easy for mould and mildew to grow — particularly, on patio flooring, pathways, and even underneath planters. Although most people would usually deal with mould and mildew with vinegar, natural stone floors are best not touched by anything acidic. Fortunately, ‘
How to Get Rid of Mould’ by HomeServe points out some other ways to deal with mould using bleach or baking soda. To tackle this problem, you can mix one part bleach and four-parts water. It's important to note, though, that ‘
The One Mistake You’re Making With Bleach’ by Good Housekeeping suggests that the bleach must be diluted in cold water for its cleansing powers to take effect. Then simply spray the solution onto the surface, so that you can gently scrub the mould and mildew away with a brush. Lastly, rinse with water, and dry it using a soft towel.