I’m using Yanmar premixed coolant which I get from my local marine store at a reasonable price. I changed mine last week after three years and the old stuff looked the same as the new. There are about 200 hours since the last change so it was time.
Al Liles SV Elendil C&C 37/40+ Vancouver BC _______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray