I had my sister in law house sit. Feeding was only a secondary issue for me. I lose a gal
of water a day and currently don't have an auto top off so I had to have someone add water to the tank.
I would think your dosing could be held off for a week and maybe just feed some flake/pellets for a week in an auto feeder to get by.
Might be a good idea to have someone at least check for plumbing issues. If it is going to break, it will do it while your are gone. At least for me it would
*180 gal Display, 100 gal basement sump, 33 gal refugium, 3x250 MH, 2x160 VHO actinics, zoos, some softies, LPS & lots of acros and other SPS.
*100 gal prop tank plumbed into main system w/ 2x96 PC lights and 1x150 MH,