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View Full Version : anyone know the constant to divide lux by to get a guestimate on par? 55ish?


PaleHorse
08/21/2014, 01:53 PM
i know its not accurate.

i took a lux reading from the waterline and it was 30,000 lux.

assuming thats correct somewhat ill have 545 at the water line.

anyone?

again i know this is not that correct. thank you

mcgyvr
08/21/2014, 01:59 PM
There is no guaranteed formula for lux to par..

but
http://www.apogeeinstruments.com/conversion-ppf-to-lux/

PaleHorse
08/21/2014, 02:18 PM
There is no guaranteed formula for lux to par..

but
http://www.apogeeinstruments.com/conversion-ppf-to-lux/

Thank you for that.

So i had a reading of 30000 and i X it by 0.0141(MH)? i got 423. did i do that right?

mcgyvr
08/21/2014, 03:01 PM
did i do that right?
yes