A quick guide on the tools needed to both monitor and adjust the co2 levels of a grow space, both automatically with co2 generators and regulators and naturally with mushroom bags or homemade sugar wash.
Co2 Monitor/Controller: https://amzn.to/3zTtkh5
Co2 Regulator: https://amzn.to/2VlYOgW
Co2 Mushroom Bags: https://amzn.to/2Vrf0x6