Also, type of lights said "high end grower" was using? PAR values at those areas where he was blasting his lights at. PAR at the spots where you kept yours at? Most sps, such as Acroporas, which requires more light than Montis do fine in the 250-350 PAR range, which is considered high light. T5s and LEDs can push beyond that, but there's usually a balance in those tanks, where there's more nutrients/bacteria as well. I've seen sps kept in PAR values at ~900 PAR with T5s and have gone up as high as 770 PAR on my LEDs, but it took awhile to get there.
Lots of missing info like Randy mentioned.
Lots of missing info like Randy mentioned.