<strong>Yahoo Message Number: 91654</strong>2004 40' Intrigue w/ Tan CC Serial # 11826 <br/>I had a Dutch Star and the book on it said to check the PH of the coolant. I looked in <br/>my CC book under coolant maintenance and could not find anything about checking<br/><br/>the PH.<br/><br/>Just checking to see if I missed it in the manual.<br/><br/>Thanks<br/><br/>Bill