Thanks for the comment, Travis. Six months ago I would have said that the bryopsis had reached plague proportions. Fortunately, however, after months of diligent pruning, attempts to minimize nutrients, and the addition of some lettuce nudibranchs, I'd say that my current bryopsis situation is only a minor nuissance. I only have 1 of the original 3 lettuce nudis remaining, and despite this fact I haven't pruned any bryopsis in over 6 weeks (it used to be a 2 hour chore every 5-7 days or so). I didn't get the tang for bryopsis control - this is simply a perk that I wasn't even expecting (but I'll take it nonetheless!). The experience I had with the LMB was very similar to what you describe in that it ate the bryopsis initially, but this was only short-lived.