Want big yields? Better get your CO2 level right. We’ve thrown all the questions we can think of at Donnie from MyCO2. Check out his answers to find out the what’s, when’s why’s and how’s of CO2.
Learn About Hydroponics
Top growing guides from the experts at Growell
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Surviving summer isn't just about cooling your grow room. You need to keep an eye on your nutrient solution too - you need a nutrient chiller.
Here's how (and why) to choose and use yours.