Tree I-V 4-pk DIY Root Feeder Kit Bonus Plugs | Use Your Bucket

how fast does this bucket drain? Can the rate be controlled in some manner? How can you wet the roots all around the tree if you only have one?

Does this come with the piece to drill the hole in the bucket?

does the spike go in the ground and then the bucket with the gromet installed placed over the spike?

What size hole is required to drill for the rubber grommet to fill?