once the product becomes clear its been broken down. when i use diminishing abrasives (i.e. wolfgang) it usually only take about 6 passes while on a rotary like 4.
i love mine but i only do tight spots with mine. you can do an entire car with it just take your time and dont overwork the machine and DONT put a 6in BP on it.
"Watch Griot's Garage Heavy Duty Wheel Cleaner work! It changes color as it releases brake dust and greasy grime from the wheel. It is clear in the bottle but turns red as it encounters soil. You can see it working!"
From the products page. its suppose to change color which is why people were...
yea dewalt might think that gently pulling the trigger is considered slow start. as far as makita's go you pull all the way on the trigger which is a real soft start.