thanks for answing my question after youre advice i decided to go with a Refugium and added some more liverock and live sand :)

Great, im glad to be of assistance.
a fuge is a very good way to get additional filtration. also great to grow macro algae. alot of herbivore fish enjoy eating this stuff, so you can harvest it from the fuge, and feed it to the fish :D

thank you for your question, and if you need furhter assitance, please let me know.

good luck,
happy reefing