If the clog persists remove the hose and manually clear it using a plumbing snake.
Best way to snake a clogged gutter.
Start by cleaning the bottom downspout opening.
To unclog a gutter downspout try your easiest options first.
But normally you will not have this problem.
If the water does not flow freely through the downspout use your plumbing snake to clear away the last of the stuck debris.
Run the snake as far into the pipe as far as you can.
Turn the crank and work it back and forth to loosen the clog.
Feed the hose up the downspout from the ground.
Run water into the opposite end of the pipe.
Turn the hose on at full pressure to try to dislodge the clog.
Run the snake into the opposite end of the drain if it was not long enough to go through the entire pipe from the other end.
Use your garden hose to run water into the gutters and through the downspout to be certain that it is no longer clogged.
If the moisture and decaying organic matter in a clogged system isn t the primary draw then it s often the fact that gutters high above.
Turn on the water spigot wide open to create as much pressure as possible.
Watch the end of the downspout for the clog to clear.
If you can t reach it simply disassemble the downspout and remove the clog.
Remove the snake from the pipe.
Try to free the obstruction with a stick plumbing snake or pressure washer outfitted with a telescoping wand.
Insert a garden hose in the downspout and turn on the water to flush out any debris.
Expose the bottom downspout opening divert the flow away from any landscape drain and then use a garden trowel to reach up into the opening and remove any clogged leaves and debris that could have accumulated there.
Place the end of a plumber s auger also known as a snake into the underground gutter.
If the clog is below grade it s the most difficult to clear and may require excavation.
Turn the handle counterclockwise if it becomes hard.
Turn the hose on and spray down the spout.
If the amount of water coming out is less than what is going in there is a blockage.
Gutters are a beacon to pests for more than one reason.