Generally speaking you should check for blockages by assessing the flow of water through the pipes.
Exterior drain unblocker.
They enable you to push through the blockage in your drain reaching deep into the external systems.
You can unblock an external or outdoor drain by lifting up the grate covering it and breaking up the clog with your hands or a drain rod if you can reach it.
External drain unblocker caustic soda is one of the best chemical drain unblocker s to use when unblocking a drain.
Working slowly rotate the rods in a clockwise direction and push them forwards.
Wearing protective gloves simply plunge the rods into the drain chamber and keep going until you feel you ve dislodged any kind of blockage.
The most critical tool is a drainage rod.
Removal of an outdoor drain blockage requires a few things.
Kjc drainage guide to unblocking an outside drain outside drains can be unclogged by using a drainage rod and a quality pressure hose to shift the debris and spray the remaining particles through the drain.
It is that simple.
After you break up the clog pour about 1 gallon 3 8 l of water down the drain using your hose to test the drainage and to get rid of any loose material.
These items are long thin flexible and often made with steel joints.
This will remove the blockage and promote the return of water flow.