MagTool ZKSJ Slim Pro Aquarium Wave Pump, App Programmed DC Wave Maker with 10-Lev Speed and 3 Wave Patterns and 6 Wave Modes

Which version would you recommend using for a 55gallon planted tank?

Has anyone had trouble controlling with the app? I am connected but the app controls don’t change anything. I have tried multiple times.

I would like to run 2 on a 180 gallon aquarium. What size would work and can they run opposite of each other.

What’s the smallest aquarium it can be used on