Six former employees WIRED spoke with reported similar concerns about diving safety and problems with the company’s product. They raised these concerns in emails, texts, and documents from that time, which WIRED has reviewed. In interviews with WIRED, the former leaders of Running Tide framed these issues as growing pains. This problem wasn’t unique to Running Tide, Hróbjartsson says, but permeates the marine carbon-removal sector to this day. Still, Odlin admitted that he thinks Running Tide actually grew less than 10 tons of seaweed in the ocean during the company’s entire operations.