Okay now we know how you dispose of your fat or oil. But none of you contributed to a solution, you just gave your two cents. And again, nothing sucks the oil out of the siphon.
True, because with "us" no oil/fat gets in in the first place. The OP might report back, and what you call "two cents" are completely normal experiences that people have and pass on.
I told you, if in your opinion the solution is in two, you’re just adding your two cents. But I really have brought a solution against the evaporation of water, which is currently the problem. And then the vacuum cleaner guy shows up...