How to use
: 1. Gently squeeze the rubber stopper to expel air from the dropper
2. dipped in the solution, they need to suck
3. Gently release the rubber to the exhaustion of the solution into the dropper. By suction into a liquid close to the desired volume
4. Move the dropper to the container you want. Try not to touch the dropper to any container during transport. This will cause contamination
5. Gently squeeze the rubber stopper. To release the solution regularly drop by drop. Do not let the dropper tip touch the edges of the container and not above the mouth of the container, too.
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