The liquid form has lye and like the crystal form generates heat to clean out pipes plugged at inaccessible spots.
Clean gutter drain pipe.
Once the fishing line gets pulled through tie a nylon mason string on the end of the fishing line and use it to pull the mason line through the pipe.
Pull the underground drain which is often a black.
Today the technology hasn t changed much from blanc s classic invention and uses blades to cut through debris to restore proper water flow.
In crystal form this is a chemical agent made of sodium hypochlorite sodium nitrate salt and aluminum shards used to burn away clogs like clumped hair in plumbing pipes.
To unclog a gutter downspout try your easiest options first.
Roto rooter has been in the drain cleaning business since 1935 when samuel blanc patented the first electric drain cleaning machine and founded the first roto rooter franchise.
Turn on a garden hose to its most powerful setting and run water through the drain pipe.
Start by cleaning the bottom downspout opening.
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.
The downspout is the pipe that runs down the building from the gutter to the underground downpipe.
Once the pipe is clear and you have access to both ends using the shop vac once again put a fish line tied to a small rag and draw it through the pipe with the suction.
Remove the screws at the top of the downspout connecting it to the gutter.
Check to see if water and debris come out the other end of the pipe.
You have to remove the spout to access the downpipe.
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Remove the downspout from the pipe.
Disconnect the gutter downspout from where it connects to the drain pipe.