I have a 55 gal. tank with one damsel, one clown, and my lionfish. The water quality was read from test strips and is as follows:
Nitrate: 30 ppm
Nitrite: 0 ppm
KH: 300 ppm
pH: ~8.4 (maybe a little higher)
salinity: 1.021
I am still inexperienced with lionfish (or any saltwater fish), though I...