Let's start with plastic blinds. There is no need to invent anything here - it is enough to wipe such lamelons once a month with a sponge with a detergent that does not contain abrasives. After that, wipe them dry dry with a flannel rag. One problem is to get too tedious to wash almost a hundred lamellas in this way. If there is no desire to waste time and time, then it will be enough every two weeks to just have to spill them.
