Uploaded May 2026 | Updated September 2026, 2 weeks ago

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Revisiting John Kempf's whiteboard video on PhotoMag™, which we like to call "Plant Health Pyramid Level 2 in a Jug"

➡️ It contains Mg, B, Mo, and S: all the essential elements for level 2.

Check out PhotoMag: loom.ly/mDnMfdE