LUMATEK Zeus 1000W Xtreme PPFD CO2 Full Spectrum LED Grow Light
In general a good rule is that once you exceed 1000 µmol/s/m2 PPFD levels, you should be 1:1 with CO2 PPM – up to 1500. So at max PPFD = 1500 µmol/s/m2, CO2 would be 1500 PPM (a little lower, 1400 PPM may be the safest to start).