Have some results from my first compost bin to use purity wood!

Here I am building the bin using boards and wood plugs produced by a tree grown in a sulphur pot. The nails are pretty much null purity, perhaps slightly lead content.

Next morning I came to check to see what humus was produced by the alchemies of the bin by itself - no purity worms.
Note 1 worm was produced plus 3 humus. The worm produced is still 25/25/25/25 in a purity bin =\

Finally I grabbed one of the worms I have been giving a sulphur diet and reaplced the null purity worm in the bin with him to see how he affects the next humus produced. Will post results later.
Some discoveries:
- Destroying stump of a purity tree produces null purity woodblocks (25/25/25/25) - it is not inherited from the tree
- Wood choppings randomly produced as side effect to crafting items with purity woodblocks also come out null purity(25/25/25/25)
- Worms created randomly in bins with modified purity are created with null purity (25/25/25/25)