I'll be going on Vac later this year for 2 weeks.
I'll be doing the following. Hope this helps ya out.
1 - Timers (already have em)
2 - Getting 7 day pill containers
3 - Have 10gals of Pre-made RO
water for top offs (or how ever much you think you will need, keep in a tightly sealed bucket of some sort)
4 - PWC
before I leave
5 - Show my friend what needs to be done and how
Food will be pre-measured for each day. 1 feeding a day so all he/she has to do is open up the right day, empty it into his/her hand and into the tank. Haveing them put in hand 1st eliminates any OPPPPS there went Mon, Tues, and Wed .. how did that happen.
Friend should would be shown how to use the refractometer and where it is.
Water for top offs w/ a clean bowl to transfer water from bucket to tank as needed
Check temp, make sure fish look good and eating. If anything found dead carefuly remove it, place in plastic bag n into the freezer. Call (if poss) with any questions or concerns.
Leave a list as to what needs to be done and what to look for. such as lights, pumps, skimmer, heater all working. What temp range should be, etc.
OHHHH yea almost forgot..
Compensate him/her for helping ya out.