micromol and light level

Gerryd

Plant Guru Team
Lifetime Member
Sep 23, 2007
5,623
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South Florida
Hi,

IMO....and this is using PAR at the SUBSTRATE and not at the surface:

0-35 Low Light
35-80 Med Light
> 80 high light

I know Tom had a range like this awhile back if you search for it you may find it....

I think his ranges were close to those above but can't be sure...