Okay. So the pH is a bit too high for your shrimp, especially the bee if it truly is a bee. Now in terms of the bee... it’s either a yellow King Kong, or actually a yellow/orange cherry shrimp. I can’t ID them by sight, you might want to search up those types of shrimp (yellow king kongs, yellow cherries, sunset or pumpkin cherries) to see which you think it is more like. But a pH of 8 is definitely a problem for a true bee shrimp.
Another option if you are keen on providing the best environment for your shrimp, instead of using remineralised RO water, you can use a pH buffering substrate. This will have a more natural look, and can be very beautiful with real plants. It will bring your pH down to about neutral, or a bit below, depending on product, but is just a more simple option to RO in my opinion. If you go this route and add some more plants, they will handle the ammonia and nitrates very easily - I have two heavily planted tanks which I can leave for a month or two with 0 nitrates, nitrites or ammonia, because of all the plants and my well cycled filters. Speaking of which, how long did you cycle the tank for? And what filtration do you use?
On the bamboo shrimp, they are illegal here in Australia so I can’t give you any advice there. That’s really unfortunate though. I’m sorry to hear that.
For your heater if you can turn a knob or something to easily change the heat, maybe put it down to 76? It’s a little more comfortable for the shrimp, doesn’t make a huge difference though.