- Joined
- Dec 21, 2009
- Messages
- 461
- Reaction score
- 99
- Location
- Thousand Oaks
- What state or country do you live in
- California
So in order for me to just monitor salinity with my RKL I have to buy an SL2 and a salinity probe? Im just wondering because thats nearly $200 just to monitor salinity. Any other cheaper alternatives rather than refractometers?
