Wavemaker for a 20L pico tank?

[Tickolas]

Hello! My 20L tank currently relies on a hang-on filter pump for circulation. Seems to be enough flow for our Montipora and the Xenia is pulsing happily. More details on the tank in my tank thread. Question being, should I invest in a cheap tiny wavemaker and if so how powerful should it be? Weakest one I've seen is 3W, 2000L/hour.

 

[nautical_nathaniel]

Hygger makes a tiny little DC wavemaker with adjustable flow rates.

Sicce and Tunze also make nano wavemakers but they'll be continuous flow (which isn't bad just not the "new" thing).

 

[Tickolas]

Hygger makes a tiny little DC wavemaker with adjustable flow rates.

Sicce and Tunze also make nano wavemakers but they'll be continuous flow (which isn't bad just not the "new" thing).

Nice, I'll check those out. Thanks!