No no, don't be sorry.
It's late here...
So funny how folks at the fish store told me 40 ppm was acceptable, and not to do weekly water changes because water changes stress the fish :/
I'll try and return a snail, check my tap nitrates (never done that!), and do as you've advised. I really appreciate all who've helped me with such a relatively unexciting aquarium, thank you!
By the way, I also rinsed my filter out (oops?) this last water change.
Thanks again!
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