🔬 High-Quality 20cm (7.8-inch) Graduated Dropper Pipettes for Precise Pipetting Review

I bought these for measuring concentrated liquids such as plant vitamins and pesticides. They are much easier to use than measuring spoons. With a whole set, I can dedicate a dropper to a specific liquid to avoid cross-contamination. It was difficult to install the bulbs on the glass, but this is probably necessary for a good fit. I'm not complaining, but if you have weak arm strength I would offer assembly help. I would recommend the manufacturer to wrap each piece of glass in paper. Also…

Can't tell how accurate they are; I don't work in a lab, but Bomex seems to make pretty accurate instruments for an amateur chemist like me. I've paired them with a serological pipette controller (check out the Levo model for about $25) and it's like magic. I plan to ditch the included lightbulbs soon, but the eyedropper cleaning brushes are great. With the pipette control, I can draw up precise amounts of liquid and dose at will, then clean and reuse these glass pipettes. They snap at the tips

Based on other reviews I was hoping the packaging had been improved but I knew parts could be damaged. And they were. Two droppers were broken (2ml and 10ml), glass splinters were everywhere, including some stuck to the plunger. Amazing that more parts didn't break. Given the number of complaints about this issue and how easy it is to fix, there really is no excuse for such poor packaging. The box is strong; it is lined on the outside with a piece of bubble wrap marked "Fragile" and enclosed in