Oh y’know, vacuuming my AstroTurf.
As you do.
The AstroTurf in our garden is a bit wobbly and has weeds growing through it, with the tilt it also has areas where the rain water pools slightly. This really was a case of when a “before” photo would have shown the drastic change.
There are parts where more work will be needed but over time we’ll end up taking up each half and levelling it better then giving a border. As this is a rental we won’t be doing too much past general upkeep.
Edit – And the end result: