ComfortablyNumb
- Posts
- 6,099
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- Joined
- Jun 11, 2021
- Points
- 313
The El-cheapo route, but it works."40% at around 30" and showing about 200ppfd on my phone app" ....am I going to need a device to measure this ppfd now? no cell phone and no tablet ....My wife's going to love this.![]()
$20 online LUX meter