Pure, nsk silicone nitride I guess.
Check it, I’m a dummy. I did all that leak checking, and forgot to at least flush the lines so of course now I have the black shit contaminating errythang. I’m thinking of breaking it all down for real this time. What a bitch, I’m so behind I have trim from last harvest to run still! I’m going to watch pures rebuild video while I roll one, and chill before tackling this shit again. This pump so far is a headache I should have bought a new v3 me tink. Bad deal.