eye-wash bottle

DIY eye-wash bottle for eg. homelabs, workshops, riots etc.

Funnel needs to be mounted on a 0.5l or a 1.5l PET bottle. (just glue it on the bottlehead)
Fill the bottle with a solution of 1.5% NaCl (tablesalt)
Close the bottle with the cover

Use:
If you got a contamination in your eye
-uncap the bottle
-force the contaminated eye to open
-fix it with the funnel
-lean the head back and squeeze the bottle, so the solution rinses your eye

Call your local emergency hotline or doctor