September 2014 Issue
Test Checks Burst Point and Freeze Protection
We tested each product for glycol content using a refractometer and either the ethylene glycol or propylene glycol scale, as appropriate. In the case of Camco’s Arctic Ban and Sudbury’s Winter Stor, some portion of the freeze protection is provided by ethanol, and such mixtures cannot be easily evaluated by any field method (test tape, gravity, refractometer) unless the exact proportion is known, which we find troublesome.
To continue reading this entire article you must be a paid subscriber.
Subscribe to Practical Sailor
Get the next 7 issues of PRACTICAL SAILOR for just $19.97. And access all of our online content - more than 1,500 evaluations, reviews and articles on sailing gear, equipment and boats - free of charge. That's a savings of more than $14 off the regular rate. Or double your savings and subscribe for 14 issues for just $39.94.
Get Practical Sailor Digital
Get 12 months of PRACTICAL SAILOR DIGITAL for just $34. You get unlimited access to everything on the site including each monthly issue as a PDF.
Subscriber Log In
Already subscribe but haven't registered for all the benefits of the website? Click here.