Equipment is expensive and the power to run them is as well. You may be losing out on maximizing your footprint, or you may not be giving your plants enough light. We measure using the Apogee PAR line instruments. Read your lighting manufacturers recommended distances. Light is Energy.

Your room may seem to be reading great parameters but its necessary to know the leaf surface temperature and canopy humidity. Negative Pressure tents bring many benefits mind the lung room is also clean. Sealed C02 Supplemented rooms/tents are the Supercharge models . Active air exchange is paramount for a healthy plant. Many instruments can be used in this check including day/night recordings. Air movement is Key for Heavy Yields and keeping Pest and Mildew at bay. 

Feeding with organics or synthetics it is important to understand how the plant uptakes there nutrients. First thing is to check your meat and potatoes, is there enough but mainly is it well balanced. Plants like there consistency and when they have everything they need the first time they come back and want just a bit more the second time. Keeping this consistency from germination keeps your vigor.