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pH Test Strips
Choose from a wide selection of test strips for all your acid & alkaline (base) measuring needs.
We offer more varieties of accurate, reliable pH test paper for all your acid and base (alkaline) needs. Click on the links below to get more information on the best ones for your needs. All our strips feature: (Click on View More)
Click on the images for more information & quantity discounts.View More
- fast response time-just seconds
- triple pad for best reading accuracy or
- single pad for basic reading accuracy
- easy to read, accurate color charts
- white backing ensures best contrast color chart comparisons
- stiff plastic support for dipping into tubes, gaps, etc.

Triple Pad pH Strips Acid &/or Base
These triple pad indicator strips offer superior accuracy over single pad strips. Because lighting conditions can vary and color perception is subjective, 3 reference points allows for better determination of pH.
For any given pH level only 1 or 2 of the pads changes color; the other(s) are there as comparison aids. Simply compare an unused strip to the colour chart, the 3 pads should match one of the rows. Then use the strip & repeat. The closest match of the 3 pads to the 3 swatches on the color chart is the pH of what you are testing.
Single Pad pH Strips-Acid & Base
These single pad tests strips are suitable for less precise readings. If you are buying alkaline/ionized water, the 5-9 strips can confirm the water is in fact alkaline (base).
Single Pad pH Strips-Acid
If you know your solution is acidic, one of these 2 pH acid indicator strips will give you the fast, accurate answers you need. The 3-6 strips are ideal for salsa & sushi rice.
Single Pad pH Strips-Alkaline (Base)
If you know your solution is strongly basic (alkaline) use these pH alkaline indicator papers to get fast, accurate answers.
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Medium Acid Base pH 4.5-10 Test Strips
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Acid & Base pH 1-14 Test Strips
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Wide Range Acid pH 0-7 Test Strips
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Wide Range Alkaline pH 7-14 Test Strips
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Alkaline Water pH 5-9 Test Strips
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Strong Acid pH 0-2.5 Strips
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Medium Acid ph 3-6 Test Strips
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Strong Base pH 10-13 Test Strips
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pH test strips have great stability & extended shelf life. For more on this, click on the Technical Tab.