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Since light seems to be the main topic here, I'll weigh in with a bit of data collected from my own tank.
Corals photographed are 150 mm from water surface.
Light source: Radion Gen3 pros, all channels on, 90% intensity, 10 inches from water surface.
Method of water management: DSR
im curious with that high of par what are your water parameters? You must go through DKH like crazy
does it measure par too? I've been looking at the same product haven't pulled the trigger yetI use the Seneye Reef Monitor.
View attachment 248750
This one was 30.00 on Amazon and it will read up to 200k LUX vs the cheaper ones 15-20.00 which stop at 100K I believe.
I use the Seneye Reef Monitor.
Can you get PAR Meters for 30.00?
All the Ones that I have see are like 300-400
Why is the LUX Meter so Cheap?
Can you convert it to PAR with some Calculations?
[...]I have never heard of these LUX Meters.
Everyone I know uses a PAR Meter.
What is the Difference?
I'm definitely a lightweight in this discussion, but I've had my 180g up for just over a year and it was first real attempt at keeping SPS. I've been successfully keeping saltwater tanks for over a decade, but previous reef tanks were LPS & Zoa dominated. Over the first year, my growth and coloration has been good and my tank is quickly filling in.