My Jeep has 6K on its oil and I have a new microgreen filter in a box. I was considering doing a used oil analysis, then change to a microgreen for 1K miles, then used oil analysis and dump the oil.
Or, change the oil now using the microgreen and go 6K then used oil analysis and change.
Or, change the oil now using the microgreen and go 6K then used oil analysis and change.