Hot Lime Labs is putting the green back in greenhouses – supplying yield-boosting CO2 from biomass for large glasshouses. With $9 million of angel funding they've scaled from the lab to a demo delivering CO2 into a 11 hectare glasshouse. It's now ready to take to the world – which will need lots more funding. Tijs talks about how the needs of the business change as you grow, with specialists replacing generalists, and how ready people are to help if you ask.

www.hotlimelabs.co.nz