don't let them stretch 2 much ...
B
What is your PAR reading
Best reading now was about 70 mol/m2 or lower. Lux was a little under 5000.
Using the photone app on a 3 year old samsung phone.
don't let them stretch 2 much ...
B
What is your PAR reading
Best reading now was about 70 mol/m2 or lower. Lux was a little under 5000.
Using the photone app on a 3 year old samsung phone.