Revtree, the owner of reef2reef, is seriously frustrated in his battle against dinos. Lots of very experienced Reefers are chiming in with advice you may find helpful:
https://www.reef2reef.com/threads/how-would-you-feel-if-i-tore-it-all-down.374918/
Yeah I talked to him briefly about it too. I went the same route (increasing N and P), but it was disastrous. But going the other route of stripping the tank of nutrients has been great so far...