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Foren-Tests Blood Test Swabs provide a quick test for the presence of blood. Moisten the swab pad with the included distilled water, rub the swab on the suspected stain, break the crush vials, and observe a color change to indicate a positive reaction to the presence of blood. Luminol tests for use in a darkened area. Eight swab tests per package.

8 - Foren-Tests Ortho-tolidine Blood Test Swabs
SKU:
3822
Price: 
$26.50