looking and see now How To Unclog Underground Gutter Drain Pipe, you can follow these steps:
Visual Inspection: Check for any visible signs of clogging such as water pooling or overflowing from the downspout connection.
Detach Drains: Disconnect the downspout from the underground drainage pipe.
Water Hose Setup: Insert a garden hose into the underground drainage pipe from the exit end.
Prepare High-Pressure Lines: Prepare high-pressure lines to clear the blockages.
Jetter Tip Placement: Place the jetter tip at the entrance of the underground drainage pipe.
Clearing Blockages: Turn on the water and use the high-pressure lines to clear the blockages.
Jetter Tip Daylighting: Once the blockages are cleared, move the jetter tip to the exit end of the underground drainage pipe to ensure that the water is flowing freely.
Reverse Direction Cleaning: Finally, reverse the direction of the water flow to clean the underground drainage pipe thoroughly.
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