Lux vs. Par

[ubiq]

My recently-aquired Seneye is showing 300 Lux while the PAR reading is zero. I have a 100g 24" x 48" tank with two ReefLed 50's and one ReefLed 160s, and I'm trying to determine if i need to ditch the 50's and get another 160. Why the disparity?

 

[Pntbll687]

Well if the light is on and the point where the par meter has visible light on it, it's not zero.

Is it calibrateable or able to be reset?

 

[ubiq]

I'm sure it's not actually zero. I'm just trying to figure out why the Seneye isn't registering PAR. The Seneye is not calibratable so far as I can tell. I have an inquiry pending.