nostr:npub106dam65ww9ztdqj26xvh08dyuc7lj7nmkrtrujwsmyq2n6g3r33saq3m89 nostr:npub1u83gudwdfwjngz5eqxkrnpvsuydvqwjxwz0majvehqrh62804hfq8yr2s5 nostr:npub1v7t4yx9vxtv3mat0hdsduuym4fvjd5dzmdlh82ssa40phr965h2s2lck6k I use vermiculite from the garden center for annealing. Very cheap and much easier to move around than a 5 gallon bucket of sand.