Reef Central Online Community - View Single Post - apogee SQ-420 readings from led

alton · 03/24/2016, 12:16 PM

Your whites will always read better with PAR, so with them turned down to 40% is probably your reason for your lower numbers? Also most Sps do not require a ton of PAR, I have had great luck only using numbers around 150

03/24/2016, 12:16 PM	#2
alton Registered Member Join Date: Jan 2005 Location: Zuehl, Texas Posts: 4,460	Your whites will always read better with PAR, so with them turned down to 40% is probably your reason for your lower numbers? Also most Sps do not require a ton of PAR, I have had great luck only using numbers around 150