Drill a hole
First of all you need to drill a hole on the side of a barrel. It should be around four inches from the bottom. Then you need to place the spigot into the hole with its threaded end in front. Remember to remove the lid before you drill.
Next you need to make a solid base with help of cement blocks. Place the cement blocks in a way so the barrel can stand on it. Secure the barrel with water heater straps against the wall.
You need to add gravel into the barrel. Fill the barrel with gravel around eight inches deep. Then place two t-shirts on the gravel. Remember to cover all the gravel.
Add peat moss
Next you need to pour peat moss. It should be around six inches deep. Place the remaining two t-shirts on the peat moss and make sure it has covered it entirely.
Cut the window screen
After adding peat moss, you need to cut the window screen which should be slightly bigger than the parameter of the barrel. Press the window screen on the t-shirts lying above peat moss.
Place the lid back
First remove the cap on the lid and then screw a pipe to it. Attach an elbow onto the pipe with the help of a screw and then place the lid back on barrel.
Attach garden hose
In the end you need to attach garden hose to the threaded pipe and run it through window inside your house. Then attach the second garden hose to the spigot and run it towards the soaker hose in the garden.