Introduction: Pet Bottle Dropper for Gardening.
Update: Don't make this version! Too difficult.
I have a better, easier version.
I will publish soon.
I saw many pet dropper idea on internet, but all wasn't perfect. From most come the water too fast.
I have developed this system.
Enjoy.

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2 Discussions
7 years ago on Introduction
Instead of black foil use aluminium foil.
7 years ago on Introduction
Here is one.