- Joined
- Jun 23, 2010
- Messages
- 45,094
- Reaction score
- 30,159
- Location
- Frederick, Maryland
- Showcase(s):
- 1
- Hardiness Zone
- 6b
- Country
Mine is an external pump. I keep the intake above the bottom to always leave some water for the fish. A lot do the same with submersible pumps.