co2 sump

After alot of days tinkering with nutrients, Lights and flow rates i reached to a conclusion that my CO2 was way too bad. I just set it to 92 ml/min though ive no idea if its a overkill. My Display tank Diamesion 48 Inch L X 18 Inch D X 30 Inch Height. 170 Par at sustrate level Water Degassed...