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[INDOOR-GARDENING:35] Re: humidity levels in winter/pebble tray


I have some plants grouped on plastic crate (meant to be a diffuser for
fluorescent lights in ceilings).  if I keep water in the tray underneath, with
or without pebbles, the humidity increases dramatically. I've measured this
with a hygrometer.  Of course, the humidifiers are great too.  Joyce



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