I don't quite understand the "cultivating" of the CO2 and what exactly that means and how it works? It kind of sounds like Snake Oil to me. I also do not understand how you are supposed to put this over top of your plants and not block your light?
I have a "CO2 boost" unit that works on the same principle of "cultivating". They don't work all that great under normal circumstances as they don't produce a great amount of CO2. Basically they are a miniaturized "mulch pile" in a container, with microbes that break down certain materials and release CO2. If yu have a completely isolated grow space where outside air is not circulated into it, then these would benefit yu. However, depending on the amount of plants yu have, yu may have to have a multitude of these co2 cultivators to be effective. JIMO/E