I do the same. I have a 75 and a 29g for a sump. I usually do 15-20g per week. I am running a CA reactor as well, but I feel that my tank looks nicer when I change more often because of trace elements etc. I say in the beginning, overdo your water changes. If you are having any problems, overdo your water changes. As long as you do the changes properly and on schedule, which is a must, you can and will be successful. Salt is cheap.






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