people who move tanks (and most forum peer cycle umpires) assume the disturbing of the sand transfer spikes ammonia for weeks after the event, was heading off that assumption. per pics and known duration of the system/can't be in ammonia distress/not possible. trying to reinforce that fact so that disease preps like you're seeking info on can be the new concern here.
we move away from extended cycling concerns, and into other troubleshoots that are relevant for the presentation
we move away from extended cycling concerns, and into other troubleshoots that are relevant for the presentation