Activate the Enhancer by simply adding warm water, placing the lid back on and shaking. Its as simple as that! The Enhancer will begin to disperse CO2 to high levels within 8 to 10 hours. Giving the Enhancer a quick shake every day or two is all that this miraculous product requires. At the end of the two week lifespan, simply recycle the canister and grab another or use the new refill pack. You wont believe your eyes as you watch your plants health and overall yield increase by upto 30%.