No problem :-) There are two big drawbacks to chasing a high CRI value. Number 1, to get the highest CRI values, you need to use green and cyan LEDs which have low quantum/radiometric efficiencies. This means they do not produce as much light as red/blue LEDs for a given amount of electricity. Hence, the PAR values in your tank will be lower than using more efficient LEDs (white, red, blue). Number 2, there are many studies that show that people actually prefer lights with lower CRI values. This is because the CRI scale punishes a light for saturating any of the individual test colors. In blind studies, people tend to like saturated colors (i.e. brighter red plants), so the CRI value on these lights are low. We manufacture lights for the architectural/commercial market, and this is a topic we address on a regular basis. For instance, a retailer really wants their apples to look stunning in the produce department, so we add more red content to slightly saturate the red colors on the produce. This leads to a lower CRI, but higher produce sales. Dr. Yoshi Ohno at NIST has published many great articles on the subject.
Hope this helps,