dana riddle

Hello everybody! Well... I am looking for a Dana Riddle's old article ( maybe 15 years!) about acinetobacter poblation in saltwater tanks, and its effects on po4. Looking on search engines had no results. I just remember I read it on Advanced Aquarist many years ago. I hope someone can help...

Can anyone tell me what the DLI range should be for SPS dominant tank? Thanks

As a guy with custom tank setup I had to setup my light inside the custom hood that came which hangs just 2-3 inches above water level. I'm sure most people would also like to know some general PAR numbers for corrosponding Lux levels. So @Dana Riddle For a Light 2 inches off water, with water...