How to remove dirt on the inner wall of plastic pipe?
With a wire wrapped in absorbent cotton, soaked in water, put into the plastic pipe, wet the pipe wall, pull out the wire, stained with cleaning materials, second times into the plastic pipe, wipe back and forth, and then washed with water.
1. flush with high pressure water2. dilute the caustic soda and pour it into the drain pipe3. buy a bucket of battery and pour it into the drain.4. put a little dilute sulfuric acid
In the first bowl upside down water, tap water can, do not need too much, and probably can usually wash water, then pour 84 disinfectant, and then put for a while, with a rubber glove hand cloth wipe dirt in the basin, can easily fix.
