125g with 2 20g refugium connected with water bridge

[Kalipanther]

Reef aquarium. Rock is all made by hand except for the dragon rock in the corner and the quartz crystals. Black sand, blasting. Last refugium has white sand. Black background is finally growing coraline

 

[A Young Reefer]

could you share images of the water bridge?

 

[Kalipanther]

Just 2 u tubes. Works great, However I have issues with air bubbles and have to prime it about every 3 weeks.