- Joined
- Jan 5, 2012
- Messages
- 2,249
- Reaction score
- 88
- Location
- Rockville, MD
- What state or country do you live in
- Maryland
How is the flow? Also that middle section of you sump, im not sure if its miracle mud or what, but it looks like a potential source of phosphates. Lastly triple check you specific gravity with a calibrated refractometer.


