Yes I used a ziplock bag. I will gladly risk 18 dollars in the bag but not my phone with saltwater. red are from the Apogee and the green are this particular 18 dollar LUX meter I posted above . Take care. Photo credit and source is J. DuboyAmazon has lots of Lux meters...some have a sensor on a coiled cord. It makes me wonder if I put the sensor in a plastic bag.
Rent or Borrow a PAR meter and im sure you can get the same results with any LUX meter
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