I'm going to do a waterchange in my 15 gallon QT, which I initially filled up with main tank water when it was started.
I'm planning on getting rid of 50% of the water, and replacing it with newly-mixed saltwater.
Is this ok - keeping 50% of the old "main tank" water, and putting 50% new water in?
I'm planning on getting rid of 50% of the water, and replacing it with newly-mixed saltwater.
Is this ok - keeping 50% of the old "main tank" water, and putting 50% new water in?