So, the "low tech - what I had on hand" version of a Filtron has been steeping for 4 whole days now. Going to give it a try in the morning. Should be about as extracted as possible (yes, I left it in the fridge the entire time). Plan A is to rough filter in the french press pot and then pour through a standard unbleached coffee filter to get my final concentrate. I'm either going to love this, or........