For general cleaning of dirt and grime from cotton canvas use SORTED Dirt and Grime which safely cleans all outdoor surfaces.
Simply click the pack onto the end of your hose, spray on the formula and leave for 2-3 mins to penetrate. Then hose off. A wipe will aid in the removal of any stubborn marks.
Be aware, do not leave SORTED Dirt and Grime on cotton canvas for long periods without rinsing off.
SORTED Dirt and Grime removes mud, dust, salt residue, surface oil, bird droppings, insect poop, etc.