- Joined
- Dec 15, 2016
- Messages
- 463
- Reaction score
- 210
I'm wondering if my ORP is on the low 200's because I am not using filter socks. Nitrate is 2ppm and phosphate is .5, pH is 8.3.
What are your tanks ORP readings for those of you that don't use filter socks?
What are your tanks ORP readings for those of you that don't use filter socks?

