Which light source for Photone App?

[QcReef32]

Hey guys, so I am gonna try the photone app by curiosity. I know it’s not 100% accurate. For people using it, do I have to buy the full spectrum or blue/white?

I have a viparspectra
(No coral and no water in the tank yet)
Sorry for my English

 

[tbrown]

Why buy it? The free one works.

 

[tbrown]

Here's a thread that might be helpful. The first post has a link to some instructions that I used.

Free PAR meter? Photone App.

So there is this free app called Photone. It's used mostly by indoor gardeners to test PAR levels. This morning I had the brilliant idea to put my phone in a plastic bag and dunk it in my tank to see how it works. I'm currently waiting for my lights to ramp up so I can try it.. When I...

www.reef2reef.com

 

[QcReef32]

Why buy it? The free one works.

I have a iPhone and I need to pay for the blue/with led or full spectrum source, that’s why

 

[tbrown]

I have a iPhone and I need to pay for the blue/with led or full spectrum source, that’s why

Makes sense. I didn't realize the iPhone app wasn't free. The good news is their cameras are supposed to be better so you might get more accurate results?