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#1507769 - 06/22/09 07:18 PM coolant test strips
lucerne06 Offline

Registered: 03/07/09
Posts: 406
Loc: northeast
are the coolant test strips worth it? they say they measure boilng and freezing point as well as ph..

#1507805 - 06/22/09 07:50 PM Re: coolant test strips [Re: lucerne06]
03cvpi Offline

Registered: 03/04/07
Posts: 145
Loc: Minneapolis
They are ok in a pinch. But they are not the most accurate. When in doubt use a bulb type or a refractometer. They will generally be ok, if you are testing coolant made by the same company making the test strip, but I have seen very odd numbers when trying a test strip on a different brand of coolant. Maybe the add pack has a different ph or something.

#1508187 - 06/23/09 07:53 AM Re: coolant test strips [Re: 03cvpi]
benjamming Offline

Registered: 01/03/04
Posts: 5757
Loc: northern Alabama
as 03cvpi was alluding to (I think), you have to use EG test strips for EG & PG test strips for PG.

#1509152 - 06/23/09 08:56 PM Re: coolant test strips [Re: benjamming]
sdan27 Offline

Registered: 06/07/09
Posts: 484
Loc: Michigan
if you're trying to measure dca levels in a diesel coolant, they work well for that. so long as they are not expired or have been exposed to air too much.
'94 F250 Powerstroke. LF9691 primary oil. AH1141 air filter. FS1282, FF5320 fuel filter. WF2071 coolant filter.

#2092448 - 12/01/10 07:10 PM Re: coolant test strips [Re: sdan27]
rkpatt Offline

Registered: 10/27/02
Posts: 139
Loc: SE
It can be challenge at some parts stores . Be sure to check the date at the counter.

Originally Posted By: sdan27
if you're trying to measure dca levels in a diesel coolant, they work well for that. so long as they are not expired or have been exposed to air too much.

#2096204 - 12/05/10 12:14 PM Re: coolant test strips [Re: rkpatt]
daman Online   content

Registered: 09/23/06
Posts: 10778
Loc: Bad Axe, MI
I use CTS for DCA but NOT for antifreeze,use a regular tester bought at any auto parts store for that.

i found when doing my DCA tests and then compare the freeze results from the test strips the test strips were waay off like 5 deg or more!

don't trust them.
"Always"....Mobil 1

Current fill: AFE 0w30

#2535692 - 02/13/12 09:07 PM Re: coolant test strips [Re: lucerne06]
Chris142 Offline

Registered: 06/05/03
Posts: 12997
Loc: apple valley, ca
You want the 3 way ones not the 2 way ones. You want percentage (freeze point)and Alkalinity and if dealing with a diesel SCA too.
02 Wrangler durablend 10w40
87 F250 Diesel Mystic 15w50
04 Tahoe super-s 5w30
Z400 Lucas 10w30
KLR250 Maxima 10w40
Can am maveric delo 5w40