Acorn update: leaching

Here's what the jar of water-and-acorn looks like after 24 hours:



See the brown color? That's due to tannin.

So I pour off that water and put in new water and swirl it around. Here's what it looks like when I first pour in new water:



Tomorrow morning, that water will have gone from milky white to as brown as the water in the first photo. But, eventually, after enough days have gone by, there should be very little difference between the water when it's new and the water after 24 hours. That'll be...