Do not use caustic cleaners.
How to clean hidden gutters on awnings.
To clean the fabric open the awning and use a mild detergent and a soft brush.
You may even find a bird nest or two.
The pipe will loosen it and the water will wash it out.
Take the side fascias off so you can get into the end of the gutters like you did.
The gutter system resides inside hidden the overhang of the roof.
Fit your garden house with a spray nozzle.
Use the opening to insert a hose end and use the water flow to push the leaves and debris down the downspout.
Cleaning the awning regularly will extend the life of the fabric and prevent the formation of mildew.
Rinse with a hose and let dry before closing.
Get ready for a mess.
I get up on a ladder and loosen stuff in gutter with a screw driver after this vacuum or blow.
Run until the water runs clear.
Does your patio awning gutter clog up very often.
As you reach the end of the pipe pull it out and connect a longer section of pipe.
When the leafs and crap are dry use a leaf blower or a shop vac to clean.
The leader is attached to the drain runs through the overhang and directly down the exterior wall of the house.
This design is clean and simple.
Flush the gutters after most of the debris is removed flush the remaining bits and dirt from the gutter with a garden hose.
Flush out the gutter with water starting at the far end and moving toward the downspout.
Hook the hose up to the short pipe and start ramming the pipe into the caked in dirt inside the gutter.
A drain is incorporated into this gutter.
This gutter tip is a good one in deed for preventing gutter clogs on patio awnings or coverings.
Then run waterer through gutter to get rest of crap out.
Really is a dirty wet mess but has to be done.