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pH Test Strips Litmus Papers

Determine acidity or alkalinity, quickly, accurately & economically using one of our many pH or litmus test papers.

What's the difference?  If you only need to know if something is an acid or a base, then choose litmus paper. Each strip costs just pennies & the simple color change makes this test virtually infalliable.

If you need to know that something is not just an acid or base but is really weak, really strong or in between, then use our pH test strips can tell you how acidic or alkaline a liquid is. 

Note: test liquid must be water based. You cannot measure the pH of biodiesel, oils or other non-aqueous solutions. 

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