I have been trying to keep the salinity of my tank (20g) at 35ppm. With water changes, it fluctuates +/- 1ppm. First, is this a big deal? What about 2ppm?
Second if my salinity is a little high, as above, can I just raise my ATO fill sensor a little to lower salinity slightly over time, and vice-versa if salinity is a little low?
Second if my salinity is a little high, as above, can I just raise my ATO fill sensor a little to lower salinity slightly over time, and vice-versa if salinity is a little low?