I am working with 3rd-5th graders on growing plants hydroponically in their classrooms.  Before attempting the full windowfarm structure, I worked with my students to build individual hydroponic systems using the hand-pump and water-wicking system.  While the hand-pumps we built seem to be working, our yarn-wicks are not wicking any water up… Any suggestions on [...]

schoolgardener wrote a new blog post: Wick System

I am working with 3rd-5th graders on growing plants hydroponically in their classrooms.  Before attempting the full windowfarm structure, I worked with my students to build individual hydroponic systems using the hand-pump and water-wicking system.  While the hand-pumps we built seem to be working, our yarn-wicks are not wicking any water up…
Any suggestions on materials [...]

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