Bunk LedgerWater on a summer route (2026)
Not medical advice. Talk to your doctor.
A closed cab in July cooks a bottle left on the dash and makes you less interested in drinking what is in it. This note is about having water you will actually drink. It is not a hydration prescription and it is not medical advice.
A bottle you will open
The best bottle is the one you can open with one hand and that still tastes like water at the next stop. A gallon jug you will not lift is worse than a smaller bottle you refill. Size is a preference. The habit is the refill.
Do not store it in the sun on top of the dash. Heat changes the taste, and a soft plastic bottle in a hot cab is a mess when it fails. A cup holder or a door pocket out of the direct sun is enough. If you use ice, the melt is fine. A leak onto a logbook is not. The bag matters.
Coffee and energy drinks are not a substitute you can count as the water bottle. They are a different choice. This page is not telling you to quit them. It is telling you to keep water in the truck as well.
On a phone, this table moves sideways. The first column stays put.
| Place | Result |
|---|---|
| Dash, in the sun | Hot plastic taste, and a bottle that may fail |
| Cup holder or a shaded pocket | Drinkable at the next stop |
| A jug you never lift | A plan you will not follow |
Conclusion
Refill when you stop for fuel or a walk. The number of ounces is your business and, if you have a reason to count them, your clinician's. It is not ours.
FAQ
How much should I drink?
This page will not invent a target. Have water available and drink it. Medical targets belong with a clinician.
Is a hot bottle on the dash unsafe?
Treat a bottle that lived in extreme heat as a bottle you may not want to drink, and do not leave plastic where it can burst onto the dash.
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