- Joined
- Mar 12, 2012
- Messages
- 4,000
- Reaction score
- 734
- Location
- Clarksville
- What state or country do you live in
- Tennessee
Is anyone else experiencing constant low orp levels after swapping to tropic Marin. My levels have stayed in the 220s since I changed. They used to be high 300s low 400s with fritz


