If you want less algae add a Tang, a Rabbitfish, a Blenny, snails, crabs, lettuce nudi, sea hare.
If you want less pests add a Halichoeres wrasse.
If you want less aiptasia add a Filefish or Berghia.
If you want less bubble algae add Emerald crabs.
If you want lower nutrients add a refugium.
If you want your sandbed sifted add gobies, nassarius snails, a pistol shrimp or a cucumber.
If you want ...
Feel free to add on something useful.
If you want less pests add a Halichoeres wrasse.
If you want less aiptasia add a Filefish or Berghia.
If you want less bubble algae add Emerald crabs.
If you want lower nutrients add a refugium.
If you want your sandbed sifted add gobies, nassarius snails, a pistol shrimp or a cucumber.
If you want ...
Feel free to add on something useful.

