PAR not the definitive measurement? PAR vs. PUR

[SeaHorse_Fanatic]

My DIY LED unit uses 454nm blues, 6500k, 10000k & 20000k (at least that's what the manufacturer states) wavelengths. I used so many different LEDs to try to account for both PAR & PUR requirements. My theory is that LEDs are more like a rifle shot approach in terms of narrow band wavelengths, so I spread them out to achieve more of a shotgun approach. The corals seem to like the light.

[intarsiabox]

Originally Posted by SeaHorse_Fanatic

The corals seem to like the light.

Pretty much all that really matters! All the main stream LED fixtures seem capable of growing coral just fine regardless of PAR or PUR battles. I haven't heard of any well made DIY LED fixtures having coral growth problems either.

[SeaHorse_Fanatic]

Originally Posted by intarsiabox

Pretty much all that really matters! All the main stream LED fixtures seem capable of growing coral just fine regardless of PAR or PUR battles. I haven't heard of any well made DIY LED fixtures having coral growth problems either.

I was thinking the same thing.