Mark :verified: on Nostr: npub16rsfu…c2zfj PC coolant additive or just anti-freeze (50%).npub16rsfuhv9vvn39cmrdg9s9qcq20lfqp4u8w35f8svm30dny345d7qhc2zfj (npub16rs…2zfj) PC coolant additive or just anti-freeze (50%).