Filipe Soares
Well-Known Member
the bio cleaner is really weird, you have to dissolve the powder in a bucket, wait for the bacteria to be activated and drain it through the pipes. I had ZERO expectations but in the end was better then the chemical stuff.When a couple of external drains have been blocked, I've cleared one by hand(just rotten leaves fortunately), and stuck a pressure washer down them for 5 minutes. No issues since.
The other got blocked with coffee grindings, used a chemical product which cleared it after a day, then pressure washed. Will try a bio cleaner though, the chemical stuff is nasty.