If you are looking for biological means of taking care of the algae, then a sea hair or lettuce nudibranch are your two best bets. 10G is too small for any of the algae eating fish such as tangs or rabbitfish, so you're going to have to go with inverts.
Problem with Sea Hairs or Lettuce Nudibranchs is that they release toxins when stressed or dying so, in a 10G tank, that's going to cause you problems if you're not careful.
Alternatively, since you say you are on top of your phosphates and nitrates, you can try to wait it out. Keep up with your water changes and on top of your phosphate and nitrate levels and you should see the algae receed on its own.
Lastly, adding a refugium full of Chaeto or some other Macro Algae could also help.
__________________
32"x32"x20" Cube-ish tank
|