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Ph testing of solar circuit
                    It's time to go out and maintainance check  the solar installs I did a couple of years ago. Both are closed loop Caleffi systems with Dow glycol. 
I need a reliable, easy to carry, cost effective test kit for Ph etc...
Any suggestions?
                I need a reliable, easy to carry, cost effective test kit for Ph etc...
Any suggestions?
There was an error rendering this rich post.
0                
            Comments
- 
            here are some choices
 check here for the glycol tester to show freeze protection. Shop around prices vary.
 www.misco.com/category.php?categoryid=24
 For ph I use a Hach electronic pocket meter. Extech is another brand in the 100 dollar range.
 hrBob "hot rod" Rohr
 trainer for Caleffi NA
 Living the hydronic dream0
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