| http://www.w3.org/ns/prov#value | - i think that is where most people misjudge co2 - they do not apply it properly and then say it does not help much. adding C02 to the environment is a drastic change and nutrient strength, light intensity, temperature, humidity, etc must change also to utilize what is in the atmosphere around them. i have seen many people just add co2 to their current setup and wonder why it did not help much - they
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