• thesporkeffect@lemmy.world
    link
    fedilink
    English
    arrow-up
    8
    ·
    13 days ago

    Ahh, that says you might need ~2.3 kg of iron sand after removing the non-iron from the material. Blood meal appears to be .2% iron by weight. Very napkin quality math says you’d need ~1150 bags to get enough iron