Hi,
I have a 20 gallon saltwater tank. I did a water change and I filled it with ro water. I have a salinity gage, and every time I do a water change the gage goes down. Am I supposed to do haft saltwater and ro?
I have a 20 gallon saltwater tank. I did a water change and I filled it with ro water. I have a salinity gage, and every time I do a water change the gage goes down. Am I supposed to do haft saltwater and ro?