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Old 30-12-2011, 09:10 PM
Granity Granity is offline
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First recorded activity by GardenBanter: Jul 2006
Location: Bedfordshire
Posts: 444
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Quote:
I am growing them on compost, under "Eco-Light Grow" lights (as
supplied by one of those indoor growing shops which not-quite supplies
the indoor cannabis industry). Indoors, this keeps them at 23°C, just
right. But, it's text-book stuff: Growing plants need CO2, carbon
dioxide. Would it increase their growth to provide more CO2? How might
this be done?

The most obvious thing to do is to use a CO2 cylinder, feeding the CO2
through a regulating valve. Is suitable equipment available at
reasonable cost?
There is some equipment he

CO2 Enrichment equipment from Growco Indoor Garden Supply

IIRCC tomato growers enrich to around 1,000ppm.