Emergency kit for your fish.

[spriken]

A few times a year I like too go thought my emergency kit
Get rid of old stuff put new things in.
Upgrade kids clothes for growing boy and such.
This round I Have the fish to think of.
so here gos

4 1 quart stacking storage containers
air pump
5 Way Air Valve Splitter Control
8 ft. tubing
1 small zip bag with about 1 TBL spoon of gravel
6 packs hand heaters
razor blade
sewing needle
water conditioner
food
small packet of aquarium salt
mesuring spoons
8 zipper bags
Hoodie with big front pocket

What do you think and keep in mind I don't drive.
I have bike,two kid bike cart(one kid),and backpack.

So anyone else have a kit,and what special stuff do you have/recommend?