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PPFD
TreeHufferstarted grow question 3 years ago
Can we have a diary metric for PPFD?
Lights vary from type to type, brand to brand and sometimes even unit to unit.
Light height while useful is not a good measure of performance. As there is very little consistency.
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TreeHufferanswered grow question 3 years ago
Have PPFD meter. I want an entry slot in diary for it
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Papa_Tanswered grow question 3 years ago
I’m not sure what the question is.
But sounds like you need a PAR meter. Takes all the guess work out of what PPFD/PAR you’re smashing into the plant.
There’s a phone app called “Photone” that uses your camera on your phone as a PAR meter. I can’t speak for its accuracy or performance. Though it’s a more affordable option and I hear people have acceptable results.
The more expensive accurate option is to get an Apogee MQ-500. It’s a great PAR meter and it works. But helli expensive. Though I set my height. Put the sensor at canopy level dial in my intensity and boom done.
I agree with you PPFD charts are great an all but it doesn’t translate well to real world conditions easily.
Anyway hope that helps you. Good luck 🤙
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