Simply pour some of the caustic soda a few tablespoons should do it down the drain next add some water and allow the soda to fizz away the debris causing the blockage will now have risen to the top add more water and remove the debris that s made its way.
External drain unblocker liquid.
But a power washer would not.
Fat is the most common debris people find in their kitchen sink.
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.
Power washers can be used to blast right through any kitchen blockage.
Product information hg drain unblocker is a safe and extremely powerful liquid for effectively clearing blockages in just 30 minutes.
How to clear a blocked kitchen drain outside.
Rated 5 out of 5 by sanchez199278 from worked perfectly used it yesterday on drains that were pretty much standing.
Left half a bottle in for 3 hours and cleared drain.
Use caustic soda to unblock an outside drain follow these steps to use caustic soda to unblock an outside drain.
Safe and extremely powerful liquid form drain unblocker.
Pour 300ml of hg liquid drain unblocker down the affected drain and leave to work for approximately 30 minutes.
Pour caustic soda down the drain pour water and wait for soda to fizz away.
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.
Zep commercial liquid heat drain unblocker 1l is rated 4 6 out of 5 by 73.