With not feeding yesterday (to assist the tank with the removal of all that aerobic bacteria living in the filter), the ammonia level remained undetectable. Good. We'll see what it is tomorrow after feeding a single mysis cube.
With ammonia in check, the remaining partners in the nitrification cycle should remain in check, as well. Nitrites were the same as yesterday, as were nitrates.
With the water change and lack of introduction of food, phosphates dropped a bit from an estimated .125ppm to .06ppm (instead of being 'in between' 0 and .25, it's now a closer color to 0, but not quite 0).
What really surprised me was a lack of skim. I'm usually dumping 3/4" to an inch of skim a day. Today's was 5/8", so just over one half. Once again, probably attributed to a lack of feeding yesterday along with a good substrate vacuum.
We'll see how levels progress with minimal feeding for the next week or so and see if this I'm doing the tank better.
Here's how things look today:
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