![](http://www.alamy.com/thumbs/6/C51ABEC0-0FE3-4F46-84EB-8A31BFB80972/2HDMH6F.jpg)
test strip, ph worth, test strips
Size: 4200px × 4016px
Location:
Photo credit: © Classic Collection / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: &, acid, acids, alkaline, background, backgrounds, chemistries, chemistry, colors, cut, hand, hands, health, healthcare, healths, holding, indicator, indicators, isolated, lye, lyes, measuring, medicine, medicines, nutrition, nutritions, object, objects, ph, proofs, shot, shots, sour, sours, square, squares, strip, strips, studio, test, testing, tests, urine, urines, warm, white, worth, worths