Originally Posted by dfox
5 gallon water change every week for 55 gallon tank using LFS DI saltwater. If you buy water from LFS, be sure to check the parameters. I just recently checked mine and found that the SG was 1.019 at room temperature. I didn't think to check it after I heated it up. Anyone know if that would that raise the SG significantly? Thanks.
Well, SG is definitely affected by temperature. You will get different readings at diff. temps.
I do between 15%-20% a week on my 210.