How I use Home Assistant to automate and monitor my aquariums

I feel the aquarium hobby is a retro hobby. Sure, the lights and filters have got much more expensive, and now rimless tanks are popular online, but the standard size tanks like the 40 breeder and the 75 gallon are the same footprint from decades past. What can I automate? Can I improve monitoring and alerting? There are some off-the-shelf options like Neptune Systems Apex , but what could a…