Mason Jar Adapter for Hydroponics (Gravity Fed, Self-Watering)

Grow edible plants easily – turn a mason jar & a container into a gravity-fed, self-watering planter with this adapter.
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updated March 25, 2026

Description

Original model reuploaded from Thingiverse under Creative Commons Attribution-ShareAlike 4.0 (CC BY-SA 4.0) license. 

All credit goes to the original author, keep_on-growin. Check out their Youtube channel - it's a fantastic source of knowledge for growing plants cost-effectively using DIY hydroponics.

Sharing here to help more people discover this excellent hydroponic system, so they can grow some of their own food, enjoy fresher produce, and increase self-reliance in a changing climate.

Original description:

For regular mouth 32 oz mason jars, not for wide mouth. Used like a hummingbird feeder or pet waterer. Turn a mason jar upside down and lets out a small amount of water. Keeps that level through the grow cycle of microgreens.

Demonstration video:

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Model origin

The user re-uploaded this model. The user is not the original author of the model.

mason jar self watering adapter for microgreens
by keep_on_growin (thingiverse.com)
 

License