I have a perc too and I enjoy it actually. These are the suggestions I can come up with..
make sure you use a medium to coarse grind, if you're not sure ask the person at the coffee place because not all coffees are meant for the perc.
Try adjusting the amount of coffee you put in. I only use...
errr. the last time I went to vietnam, that coffee you're talking about is actually prepared the same way.
they use civet cats to ingest the coffee and excrete it. im not joking, so what you're buying is probably prepared the same way
but they do clean it quite thoroughly and I enjoyed the...