(FULL METAL) Cannabis Nutrient NPK Deficiency Chart — Plant Care Diagnostic Poster

This heavy duty metal sign straight up brings a masterclass in plant diagnostics right into your indoor growing space. Printed in full color on matte white aluminum composite, it lays out clear, labeled leaf images and color coded deficiency guides so you can quickly spot N-P-K issues with just a single glance.

The layout feels like a permanent, classroom-ready reference center O_O super scientific and clear but still sleek and functional. Perfect for mounting right on your grow-room cabinet, shelf, or wall for those crucial daily canopy checks.

It’s lightweight but rigid as hell, and mounts perfectly flush with the included hardware so it stays exactly where you need it. The low-reflective finish keeps all those crisp details super visible even under your high-intensity grow lights. Whether you’re deep in the trenches hunting down a nutrient lockout or dialing in your perfect run, this metal sign keeps that focused, experimental energy right there with you.

Keep on growing :D

Product features

- 100% white aluminum composite: lightweight, rigid, and durable

- Matte finish: single-side full-color print with low glare

- Included mounting kit: one mounting block, metal plate, and double-sided tape

- Indoor use; customer assembly required: hanging block must be assembled by buyer

Care instructions

- Use non-abrasive, non-ammonium based products for cleaning. Dish soap with warm water is only recommended for spot cleaning.