DIY: Building Self-Watering Grow Boxes (18 Gallon Tub Edition)
Previously, I showed you how to make self-watering planters out of yogurt containers that are perfect for growing herbs or small flowers. Several readers have asked me how to implement this model at a larger scale. In this model, I’ve used 18-gallon tubs – enough for larger vegetables that require more soil and water. For this project, you will need: Two 18-gallon tubs One wire basket Razor blade or x-acto knift Drill Scissors Tubing An old t-shirt Start by placing the wire basket on the bottom of one of the tubs. Trace the perimeter with a sharpie marker. With your drill, make six holes along the top and bottom (long) edge. This is what it will look like at this point. With a razor blade or x-acto knife, cut inside the perimeter you traced, ensuring that you don’t make a crack in the bottom of the tub. Cut 10 small
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