Effortlessly tackle outdoor cleaning with Resolva Xtra Clean Ready To Use Outdoor Power Clean. This powerful patio cleaner quickly removes green algae, mold, and black spots from pots, garden furniture, outdoor toys, and more. Kills green algae, mould and black spots. No scrubbing -simply spray and leave. Results in 1 week.Protects for up to 9 months. Pet safe – once the product has dried For multi-surface use on small areas such as garden pots, slides and garden furniture. Supplied as 1x bottle ready to use spray cleaner.