Just a quick question...

Tokeybear12

Well-Known Member
So as of 4 days ago I put em 100%. I have a Lux meter that reads 50,000 Lux from corner to corner at 30 inches. If im correct you need 50k to 75k Lux, or is this less important than other means of measurement?
 

Tokeybear12

Well-Known Member
I should mention I'm doing a scrog so she's low and wall to walls as well. I have 750 watts total, at an average 55k lux across the canopy
 

VincenzioVonHook

Well-Known Member
Yep, intensity and spread is the better way of measuring for sure. 50k lux is 850umol/s so a dli of 36 over 12 hours, and 75k is 1275umol/s for a dli of 54. You want to be around 40-50.

The formula is lux multiplied by 0.017 to get PAR. Shane from migro tests it and it comes within a few percent of a par Meter.
 
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