How to use
- Start from a bottle count and fluid target that already make practical sense for the session.
- Enter the sodium target you want to work with for this session, then choose whether support should stay lighter, mixed, or electrolyte-forward.
- Use the result to see how many bottles carry sodium, how much goes into each one, and whether the current bottle-load plan still misses the total fluid target.
Wave 58 expansion
Move from bottle count into bottle composition
This page fills the gap between “how many bottles do I need?” and “what should go into each one?” It is for per-bottle planning, not for deciding whether electrolytes matter at all.
| Load | Kind | Sodium | Volume | Covers |
|---|
How to choose between nearby pages
Use Hydration Bottle Plan when the missing step is bottle count or refill logistics. Use Sodium Loss Estimator when the missing step is the rough sodium range itself. Use Electrolyte Needs when the open question is whether electrolyte support deserves more weight at all. Use this page after those steps, when the fluid target and bottle count already look believable and the remaining question is what should go into each bottle. Use Electrolyte Drink Mix next when that bottle target already looks believable and the remaining job is translating it into tabs, scoops, or serving fractions.
FAQ
What does this page calculate?
It turns session duration, hourly fluid target, bottle capacity, total bottle loads, and a sodium target into one bottle-by-bottle electrolyte plan.
When should I use this instead of Hydration Bottle Plan?
Use Hydration Bottle Plan when the missing step is how many bottles or refills are needed at all. Use this page after that, when bottle count is already believable and the remaining question is what should go into each bottle.
When should I use this instead of Electrolyte Needs?
Use Electrolyte Needs when the open question is whether electrolyte support deserves more weight. Use this page after that, when you already want bottle-by-bottle sodium distribution.
Is this medical or race-day guidance?
No. It is an educational planning aid for bottle composition only and not a replacement for sports medicine, coaching, or event-specific guidance.