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Photone Grow Light Meter Phone App - UPDATE

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Is the Photone App accurate? | PAR Meter vs Phtone App comparison!!

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Light: Measuring PPFD with Photone app.

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Photos and Autos Recommended PAR levels for Photos and Autos

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Grow light app that actually works!!! #photone #growlight #experiment #variegatedplants

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How to measure light intensity - (PPFD Ratings)

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