pH Test Strips Litmus Papers

Test science experiments, food, drink and more with Indigo pH litmus papers. 10 different pH/litmus test papers to get the reliable pH level results you need.

pH test strips for acid and/or alkaline solutions with 0.5 or 1.0 pH unit resolution.

  • fast response time-just seconds
  • pH strips in acid or base; acid & base
  • pH strips wide range 1-14; narrow range of only 2-3 pH units
  • pH single pad & triple pad versions
  • use litmus papers for simple acid base tests

Litmus test papers give qualitative results; i.e. yes or no, acid or alkaline.
pH test strips are semi-quantitive. i.e. they tell you how much but with some uncertainty.
A pH meter is quantitative with some error.
Titration is quantitative and most accurate but is time consuming & can be expensive if done in a certified lab.

Displaying 1 to 15 (of 15 products)
Acid/Alkaline Strips pH 4.5-10

Acid/Alkaline Strips pH 4.5-10

SKU: 33811-4510
$11.50USD or lower Each
Acid/Base pH1-14 Strips 100/Pk

Acid/Base pH1-14 Strips 100/Pk

SKU: 33811-0114
$11.50USD or lower Each
Acid pH 0-7 Strips 100/Pack

Acid pH 0-7 Strips 100/Pack

SKU: 33811-0070
$11.50USD or lower Each
Alkaline pH 7-14 Strips 100/Pk

Alkaline pH 7-14 Strips 100/Pk

SKU: 33811-0714
$11.50USD or lower Each
50 Sushi/Salsa pH3-6 Strips

50 Sushi/Salsa pH3-6 Strips

SKU: 33812-3060
$5.95USD or lower Each
50 Maple Syrup pH 10-13 Strips

50 Maple Syrup pH 10-13 Strips

SKU: 33812-1013
$5.95USD or lower Each
300 Litmus & 1-14 pH Strips

300 Litmus & 1-14 pH Strips

SKU: 33811-Lit1
$14.95USD or lower Each
300 Litmus & 4.5-10 pH Strips

300 Litmus & 4.5-10 pH Strips

SKU: 33811-Lit2
$14.95USD or lower Each
2 Litmus+2 pH=400 Strips

2 Litmus+2 pH=400 Strips

SKU: 33811-Lit3
$25.95USD or lower Each
Wine/Kombucha pH 2.8-4.4

Wine/Kombucha pH 2.8-4.4

SKU: 33812-2844
$6.95USD or lower Each
Beer Testing pH4.6-6.2

Beer Testing pH4.6-6.2

SKU: 33812-4662
$6.95USD or lower Each
100 Blue Litmus Papers

100 Blue Litmus Papers

SKU: 33810-BV
$2.65USD or lower Each
100 Red Litmus Paper Strips

100 Red Litmus Paper Strips

SKU: 33810-RV
$2.65USD or lower Each
Red Litmus 8x10:200x250mm

Red Litmus 8x10:200x250mm

SKU: 33810-R8
$1.50USD or lower Each
Blue Litmus 8x10:200x250mm

Blue Litmus 8x10:200x250mm

SKU: 33810-B8
$1.50USD or lower Each
More Information

Technical

How accurate are ph test strips?

  • Our pH test strips resolve acidity or alkalinity in steps of 0.5 or 1.0 pH unit.
  • For strips with step of 1.0 pH , the accuracy is +/- 0.4-0.5 pH unit.
  • For strips with step of 0.5 pH, the accuracy is +/- 0.2-0.25 pH unit.

Of course, making accurates measurements can depend in part in choosing the right pH strips

Litmus test papers give qualitative results; i.e. yes or no, acid or alkaline.
pH test strips are semi-quantitive. i.e. they tell you how much but with some uncertainty.
A pH meter is quantitative with some error.
Titration is quantitative and most accurate but is time consuming & can be expensive if done in a certified lab.