If you can have someone hold the post while you pour the concrete so your post doesn t move around.
Removable post in concrete.
So the ol pressure treated wooden post in a concrete footing.
We filled the barrel with about 8 10 of concrete to a make a 16 18 planter.
Check if your post is plumb using a level.
The concrete should fill about to of the barrel to provide enough stability for the posts.
If your metal posts have been set in buried concrete it s best to pull the concrete out with the each post and with mechanical help you can avoid excessive digging.
Once your concrete is in the hole use your two sided post level to make sure your post is straight.
Set planter barrel in place and mix the concrete in the barrel.
This pipe must remain empty of concrete with the bottom open to the ground below.
Make sure this pipe is large enough to hold the removable post and 18 24 deep for stability.