I've seen several pictures and comments here about the Oakland Chemical (Dioxogen), all the pictures I have seen were cork, I could not find any bottle made for a screw-on top, when did they start producing the screw-on bottle?
Amber, 7- 7/8 " tall, arrow from top pointing down to halfway mark saying 1/2 cup, an arrow on bottom pointed up to halfway mark saying 1/2 cup. bottom as f 3