4 ms·
Here's a nifty calculator that tells you vitamin D values for exposure times taking season and latitude into account. http://nadir.nilu.no/~olaeng/fastrt/VitD-
by fizgig 12y ago
Here's a nifty calculator that tells you vitamin D values for exposure times taking season and latitude into account.
http://nadir.nilu.no/~olaeng/fastrt/VitD-ez_quartMED.html http://nadir.nilu.no/~olaeng/fastrt/VitD-ez_quartMED.html