Just wanted to update you guys.
Because of the way the tank is decorated the scrubber wasn't very effective (i already had one) because of having to rearrange the tank to get to the back wall. It has a background on the outside of the tank, so my MagFloat wouldn't work.
I picked up 5 snails, and they are going to town. The FH played (i say play because he was more curious than aggressive) with the smallest one for a few minutes, picking it up and dropping it, but then it seemed to get bored and he hasn't bothered any of them since then.
Like i mentioned, the root cause was that the timer for the high output lighting was set for too long and since I go to work before 7am and don't return until after 5pm I had not noticed that the lights were on for almost 12 hours per day. I have now adjusted the timer, and the growth has stopped for the most part (it's no longer spreading) and the snails are actually scraping some of it up.
It is all for naught at this point (other than the knowledge gained during this experiment) because I'm picking up a 150 gallon tank today, so i'll be breaking down this 55 in the next couple of days. The Flowerhorn isn't going to know what to do with all the room he will have. The pet store had him in a 20 gallon Long tank (who knows what he was in before that since he was dropped off at the LFS) and he was around 5.5" long at the time, I brought him home and put him in a 55 gallon and he really seemed to like it, now he is getting three times that amount of room!