First you’ll need just a few things: You’ll need a solar light on a removable stake, you can pick these up at Lowe’s for around $5. You will also need an oatmeal container. I used a medium size one – because it’s almost the exact same height as the metal pole (we’ll get to that in a minute.)
You’re also going to need some quick setting concrete – I used Quikrete in the red bag, also from Lowe’s. This stuff sets up really quick – which is good and bad. It’s great because your posts will be ready in about 24 hours. The only bad part is that if you’re making multiple posts you’ll need to mix it in small batches. The only other thing you’ll need is some water (which we used straight out of the hose.) I only used a tiny portion of the bag, so I’m pretty sure you could probably make about 20 out of one.
Also, tap out the empty oatmeal box to get rid of any lingering particles, so that it’s ready to hold the concrete.
Next, mix together your concrete, adding a little water at a time until it’s about the consistency of thick pancake batter.
Put something on top, so that it holds the tube in the concrete, if you don’t it will just float to the top. You want the tube buried, ya know?
After 12 hours, carefully peel off the oatmeal container. After 24 hours, it’s cured and ready to go.