https://www.amazon.com/dp/B0019J2MA2/ref=cm_sw_r_cp_api_glt_fabc_QTXCHCVHXJYT881FZKTJ

I’m pretty fond of this one. A little goes a long way! I’ve used it a few times to sprinkle in my snake’s terrarium and to fill his humid/warm hide and I’ve barely made a dent. Just make sure you sift through it a bit to get rid of any tiny sticks.