Thank you very much for posting. We want all cycle start dates reviewed here, and you are able to cleanly show nitrate which is endpoint proof of the mechanism at work
the best part of your post: high surface area in only five easy gallons. I’m glad you fed that system well.
though we don’t have a lot of prior cycles with the mixes you used, look at those detailed test results showing each step in the conversion
and then what everyone disagrees about is the allowed start date, and if all that wastewater has to clear in order to be ready.
using the clues here, you’ve met the ammonia control times from any cycling chart plus there was a known high dose, so no concern.
the best way to know about your tank is a 100% water change back to new water. A few hours after all new water, this is known zero condition.
we really need to see a pic of your ammonia test in the known zero condition to see what it’s true baseline color is
then after that, we use this calculator here below to determine how much liquid ammonia to add in order to have 1 ppm
after adding that amount calculated to the tank, take another ammonia reading about ten mins later, that second pic compared to the first should show a minor color change up since we just added a calculated dose to 1 ppm. If the test kit cannot register a change we know it’s not sensitive enough to base anything on
and if it does register a change, we watch for it to go back down overnite. Depending on the kits accuracy originally, it might take two days to move back down, the movement proves a cycle.
no ammonia movement for days, stuck cycle.
If you want the exact test to know if you were cycled that’s it undisputed.
but going off a guess I bet the tank has functional bioslicks in place after two weeks, with nitrate, even if the others look stuck so I bet after a full water change it will keep bioload alive. Since it appears stuck in testing, the only way to move forward is water change plus re test, or water change add some snails