Finally found some deionized water ... using "battery water" from Pep Boys. Now in the process of rinsing out my radiator. I've read the tips and guides here and other forums, but just want to double check that I need to keep going until I'm getting essentially clear water out of the rad. (And, as an aside - do you really need to use deionized or distilled water for the first few rinse cycles, since it's quickly going to be "ionized" once it makes contact with the radiator?)
I started with a couple of rinses, then let it soak overnight after filling with hot water. The glass on the right is what came out of the rad after the overnight soak. The middle glass is what came out after a couple more hot water rinses, and the glass on the left is the last rinse. I've got it soaking again, but just want to make sure I will see clear water if I keep going(I'm actually trying to follow directions here and not cut corners - a first for me.)
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