- Joined
- Oct 3, 2018
- Messages
- 15
- Reaction score
- 7
I'd like to get my levels up. I did notice when I added a couple of cap-fulls of Seachem Prime to the tank the orp reader dropped rapidly from 188 to 84 over about a minute. I presume it is a reducing agent to have that effect.i run 440 to 460 orp