pH Test Strips | McMaster-Carr

Clear All

	For Testing For Testing	Show

	For Testing For Testing	Hide

Alkalinity

	pH Range pH Range

	Number of Strips Number of Strips

100

	Concentration Range Concentration Range

Free and Total; 0-10 ppm

Total; 0-25 gpg

Total; 0-240 ppm

	Number of Color Points Number of Color Points

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Width Width

1/4"

1/2"

	Length Length

15 ft.

50 ft.

	Numeric Increments Numeric Increments

14 Products

Water-Quality Test Strips

Dip these strips into your liquid to quickly test water conditions. Strips change color to indicate the value reached; match the color of the strip to the color chart on the bottle to interpret the results.

Single-Substance Test Strips

For Testing	Range	No. of Strips		Each
pH	0.0 to 14.0 pH	100	00000000	000000
pH	0.0 to 6.0 pH	100	00000000	00000
pH	4.0 to 9.0 pH	50	00000000	00000
pH	6.5 to 13.0 pH	100	00000000	00000

5-in-1 Test Strips

For Testing	Range	No. of Strips		Each
Alkalinity Chlorine Hardness pH	Total; 0-240 ppm Free and Total; 0-10 ppm Total; 0-25 gpg 6.2-8.4 pH	50	00000000	000000

pH Testing Paper

Check pH levels without a meter. When this testing paper is dipped in a sample, it changes color to indicate pH. Match the color of the testing paper to the color chart to determine the sample’s pH.

pH Range	Numeric Increments	No. of Color Points	Wd.	Lg., ft.		Each
0-13.0 pH	1	14	1/2"	50	0000000	000000
1.0-6.0 pH	1	6	1/4"	15	0000000	0000
1.0-11.0 pH	1	11	1/2"	50	0000000	00000
3.0-5.5 pH	0.5	6	1/2"	50	0000000	00000
3.0-9.0 pH	1	7	1/2"	50	0000000	00000
6.0-8.0 pH	0.4	7	1/2"	50	0000000	00000
6.5-13.0 pH	0.5	14	1/4"	15	000000	0000
8.0-9.5 pH	0.5	4	1/4"	15	0000000	0000
10.0-12.0 pH	0.5	5	1/4"	15	0000000	0000