Posted May 28, 2012
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Yesterday I did spray some generic Raid spray (apparently meant for "crawling and flying insects and ants") into some crack I thought cockroaches could use a passageway, but I presume it is not potent enough for cockroaches. But at least scare them off a little, maybe to another aparment? :)
Anyway, so far I've seen only one, and my gf possibly killed one (hopefully the same one). But I presume that doesn't really say anything how many there might be, as to my understanding they usually move only in dark, and otherwise stay invisible to human eye.