Dig a hole slightly wider than the width of your pot and at least 6 deep directly underneath the downspout outlet.
How to install rain gutter chains.
Once you know the length remove the existing downspout.
Decide where the rain chain will be hung and install a downspout outlet in the gutter in the desired location.
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Inside the gutter hole insert the gutter bracket or v hook.
Rain chain installation remove the downspout and insert the expandable gutter attachment that comes with the rain chains into the hole and expand.
A bigger hole needs to be created if the drain hole is too small.
Flip the pot upside down and drill a few drainage holes with a masonry drill.
Ask this old house landscape contractor roger cook installs a decorative and functional alternative to a downspout.
When installing your rain chain use a tape measure to determine the distance from the existing rain gutter to the ground.
Fill the hole with the stone.
Release the chain and let it hang from the gutter.
From there attach your rain chain.