One more quick thought if you have someone taking care of things while you are gone, have them take care of it NOW for a week to make sure that they get it. Don't help them watch and see what they run into.
Also a camera on your tank can be really helpful when you are troubleshooting over long distances, plus you can see things that your tank carer might miss and avoid problems before they happen.
Also a camera on your tank can be really helpful when you are troubleshooting over long distances, plus you can see things that your tank carer might miss and avoid problems before they happen.