water depth

Hi all, I’m hoping you could comment. I’m moving from a 60 cm cube tank (around 2’x2’x2’) to a new custom build. The new tank will be 100 cm wide by 100 cm long by 62 cm high. Currently I’m running one Kessil AP9X with maximum intensity of 67% at tank’s high noon. Do you think this fixture at...

Hello, can someone please help me understand par values and water depth? I am going to attach a picture. Preferably in inches for the depth?