I enjoyed my first couple lunches here last year, but I have been here a couple times this past few months and I have been highly disappointed.
I used to like their Special Spicy Pho Soup (I forgot what it was called exactly), which had a rich and hearty spicy red broth and assorted meat. My recent experiences with this same dish has been pretty bad. The broth was completely different, it seems like they didn't even bother to make it and took their regular pho and added a ton more fish sauce and extra chili. The fish sauce overpowered the meal and there wasn't that rich red soup appearance, and it wasn't even spicy. I had to add a lot more chili and Siracha sauce to give it some flavor and to mask the overwhelming fishy funk.
Another thing about this place which annoys me is that the restaurant owners look after their young kids in the restaurant on the weekends who takes over the large table in the back. They are often loud and they play children's television shows on all the TVs in the restaurant with the volume on pretty high even though their kids barely pay attention to it. This creates a very irritating environment in the restaurant. I have nothing against kids, but this is a restaurant and it's not fair to the kids to be couped up in a restaurant all day long and having the customers put up with them.
My last visit here a few weeks ago there was a very unusual smell in the restaurant which I found a little off-putting. There was a strong wicker/rattan/dried flower smell that was unpleasant and I couldn't figure out where it came from or what it was caused from. Also the cleanliness has also gone downhill, as the tables and chairs felt a little sticky and I found large hair balls that gathered around the chair legs (see photo).
I love Vietnamese coffee, and unfortunately here the characteristic stainless steel coffee filters they have were heavily clogged and not cleaned well so I didn't enjoy my coffee the way that it should.
The only good thing I could say about Bun Saigon was that the food came out very fast, but that is pretty common for most Vietnamese restaurants.
With all of these problems this restaurant has I will definitely will not return.