I have been wearing tekhelet for about a year now, and I would like to start off by thanking the Ptil Tekhelet Organization for helping to revive this mitzvah. I have a question as to the length of the tekhelet string on the tzitzit. Is it kosher for the tekhelet string (I wear Rambam tekhelet, so there is only 1 string) to be shorter than some of the white strings? If it is not kosher, should the white strings be shortened? Also, I heard that it is only appropriate to bite off strings, not to use scissors or a knife?
1) I am not aware of any white-to-blue relative length considerations. The halacha does talk about minimum lengths of strings of course (i.e., k’dei aniva), but this applies to all strings equally. So, in answer to your question, I do not believe there is any need to shorten your white strings in order to make…read more