Need to rejuvenate your Sandstone patio? Then this is the cleaner for you!
Removes Green slime, algae, moss and black marks caused by lichen.
Also suitable for use on limestone and concrete among others. Always test small area first, and for first time cleaning we would recommended using neat for a deep clean. Use by adding to watering can and sprinkling over area or with a bucket and stiff brush with both methods work into area, leave to work, depending on depth of soiling, then rinse off with clean water and allow to dry to see the results