Nerites do eat diatoms and how would I be starving the bristlenose?Nerites are not exactly the best algae eating snails, they are only popular because they don't breed in FW and they look pretty. The BN I would expect to eat the algae, but I wouldn't risk starving him, because he may choose to chew holes in all your plants. Judging by my experience of what fish and snails are willing to eat, I'd say diatoms are the least tasty algae.
markstrimaran did some experiments with various LED colors and found that algae types have very specific light color needs; maybe changing the color with a piece of plastic under the light would help ???