De andere factor is CO2. Dat kan te maken hebben met onvoldoende CO2 of wisselende CO2 gehaltes door onvoldoende capaciteit van de CO2 installatie.
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You want to test how much light plants can take? Well, they can take sunlight and you can never reproduce that much light. The question is: How much...
Tom has a point, and most of the time he's right. CO2 is the most overlooked and easiest to make mistakes. A slight measuring mistake = 10 ppm less....