I just bought 2 gallons of the Klean Stip Prep and Etch at HD last week. It was $15/gallon and worked great. We cleaned all 4 of my A/C units, 4 more on Mark's 60C and 5 more on Ted's 60MY. It looked just like the Phos-Pho-Ric product that I used a couple of years ago to clean the H/E on my stbd engine. It starts out green and clear and ends up looking like mud when you're finished with it.
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Thread: raw water flush
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Re: raw water flush
Sky Cheney
1985 53EDMY, Hull #CN759, "Rebecca"
ELYC on White Lake--Montague, MI
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Re: raw water flush
You are correct with the Klean Strip product. That's definitely it. I've been using it for years at Home Depot since I first read Karl's post on the h/e flushing with it. I also tried it once with the Ospho brand was was really disappointed, so it's definitely not the same.
-- Paul