TMC Reef Flow 2.0 2000 Nano 12V DC Wavemaker PumpThe Reef Flow 2. 0 2000 Nano shares the same tiny profile as the 1000, at about 1. 5 inches thick but is stronger, offering a diffuse 528gph. Even though it draws more power than the 1000, it's still a showcase for super efficient, cool running, DC wavemaker technology. Its compact design makes it perfect for eliminating dead spots when used as a supplement to larger water movers or for use as primary flow in desktop nano tanks. The 2000 nano is