I had a bad vermatid experience with my 120. the initial outbreak was pretty bad but eventually died back to something manageable. Later I began overfeeding as I was introducing a new fish, and that resulted in a second outbreak. All I remember was patience and keep feeding under control...
ReefBuilders is in Golden just off S. Golden Road by CODA Brewing:
https://www.google.com/maps/place/15967+Noble+St,+Golden,+CO+80401/@39.7346485,-105.1789319,19z/data=!4m5!3m4!1s0x876b84f49dfb706d:0xf3ecf89c28666dd4!8m2!3d39.7345855!4d-105.1785079