Interesting, I just figured a hose/pump is more of what I see on videos and such. On my 75 I empty about 50-80%, toss in Prime, run a hose from the sink at the correct temp to fill.
I see though, the new water is basically 100% tank ready before going in you’re saying vs. “mixing” in the tank.
Correct and I dont have to use prime every time I do a water change. Whatever prime would have been interacting with is removed from the water prior to it going into the water storage tank.