We have used the MISCO testing equip. for years and the newer ones will do either PG or GL. High accuracy, low chance of damage "Riding around in the truck" since they have a cushioned protective case. www.misco.com
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Ron Greenman Sent: Tuesday, November 16, 2010 2:21 PM To: [email protected] Subject: Re: Anti-Freeze Solution Freeze Point For the refractometer I just use a Brix scale and calibrate it by mixing up the solution I should have and comparing it to the solution I do have. Accuracy of the scale then is irrelevant. _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
