Right is 10 years on toyota super long life coolant plus RMI-25, as you see the rmi25 turns it orange (yellow plus red or pink = orange). The middle was second flush, I was pretty happy with how it looked, and I have no doubt a third flush isn't necessary, mind you what is in there now was fresh put back when the coolant looked like the middle jug. So even better then what is in the reddish jug. I always put RMI-25 in towards the end of my coolant interval, I've had great luck with it in the past take out slime in radiator and put's it into the overflow where it gets stuck. Many other benefits as well like guards against electrolysis. Probably didn't need it this run, this vehicle was bought new in 2008, but as vehicles get older I think rmi25f is worth it.