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Can someone please help identify the problem with this plant?


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Download galactica lux meter for your phone it’s free. I seen a guy do a test between the app and a normal lux meter and was pretty accurate for a phone app. I’m using on iPhone 6s Plus and seemed to work quite well

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Download galactica lux meter for your phone it’s free. I seen a guy do a test between the app and a normal lux meter and was pretty accurate for a phone app. I’m using on iPhone 6s Plus and seemed to work quite well

Tried my phone, won't work with LED

 

https://cannabis.community.forums.ozstoners.com/index.php?/topic/77531-Tunkers-Tinkering---2017-Time-to-get-perpetual

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Haha need to buy a cheap one off wish or AliExpress I believe I seen the same ones being sold at the hydro price for about 500% markup [emoji23][emoji23]

Not surprised in the slightest. Asked for liquid pH tester in shop yesty and they tried to sell me the cheap eBay pH pens 200% and when I said I'd have to buy the calibration liquids on top coz they go out so much and for the amount of times I need to use it, wouldn't be worth the money. They said I could bring it in and they charge me money to calibrate it instead lolol I'll drop some liquid in a tube thanks.

 

What's the difference between a lux meter and a photometer? And has anyone bought the cheap ones from eBay before? You know there's something up when the prices range from $20-$300 lol

 

https://cannabis.community.forums.ozstoners.com/index.php?/topic/77531-Tunkers-Tinkering---2017-Time-to-get-perpetual

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Not surprised in the slightest. Asked for liquid pH tester in shop yesty and they tried to sell me the cheap eBay pH pens 200% and when I said I'd have to buy the calibration liquids on top coz they go out so much and for the amount of times I need to use it, wouldn't be worth the money. They said I could bring it in and they charge me money to calibrate it instead lolol I'll drop some liquid in a tube thanks.

 

What's the difference between a lux meter and a photometer? And has anyone bought the cheap ones from eBay before? You know there's something up when the prices range from $20-$300 lol

 

https://cannabis.community.forums.ozstoners.com/index.php?/topic/77531-Tunkers-Tinkering---2017-Time-to-get-perpetual

Haha cheeky bastards, I like the just come in and we will calibrate it....for a price

 

On lux and photometer question - I think photometer is the whole aray of meters just different units

 

“According to Gamma Scientific, there are several types of photometers, one to measure each unit (lux, cd, etc.).  They also have a neat analysis of which type is used for which application.

However, be careful!  Photometers can also refer to something that’s usually called a spectrometer or spectrophotometer.  This is a different instrument altogether.  Spectroscopy uses the fact that light bounced off a given element has a unique signature (or spectrum).  This can be very useful in identifying materials.  (One example that comes to mind is the Mars rover Curiosity, which uses this method to examine rock samples.)”

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