On The Grow on Instagram: "Part 1 of 6: 🌱 How to Build a DIY Aeroponic System for Plants 👉 Start with a plastic bin made from HDPE (read more at bottom) 👉 Use a 2-inch hole saw to cut holes in the lid. Be careful—sometimes the hole saw can kick if the plastic cracks instead of cutting smoothly. 👉 Clean up the edges with a deburring tool and sandpaper, then wash the bins. 👉 Place the bins on the grow rack. 👉 Add airstones inside, run the tubing, and connect them to an air pump that runs 24/