Bottle of 200 strips of test paper indicating pH values from 3.8 to 5.4
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10 booklets of 20 precut strips for your analysis, easy to handle.
Sealed opaque plastic bottle for optimal storage, tamperproof collar, easy opening / closing.
Colorimetric scale sticked on the bottle.
Scale : 3.8 | 4.1 | 4.4 | 4.6 | 4.8 | 5.1 | 5.4