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Anyone can grow plants with soil. Now discover a way to grow plants using clear polymer crystals that allow you to observe root growth as it happens. The large test tubes are the perfect size for sprouting seeds and growing seedlings. Did you know that roots grow faster than the plants themselves. That's what we discovered using this kit in our office. Do plants in ploymer crystals grow faster than in soil? Only one way to find out.
Which medium grows the tallest plants?