Here is a CO2 calculater that someone posted on here before.
CO2 Calculator - Greentrees Hydroponics
Adieu
BlueBear Reviewed by BlueBear on . Calculating co2 requirements for a sealed grow Is this calculation correct ? My grow is 160m3. Its a sealed environment since last week. I need to use co2. I also need to decide which generator to buy. I've decided to go the propane route. Considerations here are the large amount of heat generated by a propane burner and the quantity of co2 produced. There is a generator on the market rated at 4kW and producing 0.9Kg of co2 per hour. Now 1 Kg of co2 has a volume of 0.509 m3, therefore this gen. will produce 0.458m3/hr. of co2. Now how Rating: 5