10 x 10 mL – 1/3 oz LDPE Dropper Bottles.

Lots of uses for these, the homebrew application that came to mind to me was… use for distilled water and keep with your refractometer for refractometer calibration.

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TOOGOO(R) 10 Pcs 10 ML 1/3 OZ LDPE Plastic Childproof Dropper Bottles Oil Lotion