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3 milestones
Seven-Day Baseline Water Intake and Hydration Indicators
7 consecutive days of real-time intake and colour recording + 20 min to calculate averages
Hydration is one of the most directly measurable health behaviours — the two most accessible indicators are daily water intake (ml per day) and urine colour (the simplest and most reliable real-time hydration marker). The NHS recommends 6–8 glasses of fluid per day (approximately 1.5–2 litres), primarily from water and non-sugary drinks. Before beginning any hydration programme, establish a 7-day baseline by measuring water intake and recording urine colour each morning. For urine colour, use a numerical scale: 1–2 (very pale, almost clear = well hydrated), 3–4 (pale straw yellow = adequately hydrated), 5–6 (yellow = mild dehydration), 7–8 (dark amber or brown = significant dehydration). Record first-morning urine colour daily for 7 days, and measure or estimate daily total fluid intake in millilitres (one standard glass or mug = approximately 200–250 ml). Calculate the 7-day average for both.
Proof required
Submit your 7-day baseline record showing: daily total fluid intake in ml (measured or estimated with portion notes) and morning urine colour score (1–8) for each of the 7 days. Calculate and note your 7-day averages for both. This is your hydration baseline — M3 will compare against the same two metrics.
What gets checked
- Seven consecutive days of real-time recording — both intake and urine colour noted each day, not recalled at the end of the week
- Fluid intake is measured or estimated with portion notes (e.g. '3 × 300ml glasses of water + 1 × 250ml coffee + 2 × 400ml glasses of water = 1650 ml') — this makes the calculation verifiable and enables the same method at M3
- Both metrics averaged across the 7 days — daily fluid intake average in ml, and daily urine colour average on the 1–8 scale
Resources
Foundationstart here
Depthgo deeper
What a verifier looks for
- Both metrics (daily intake in ml and urine colour) must be present for all 7 days. If either metric is missing for any day, ask whether those days were missed or just not submitted — 7 full days of both metrics are required for M1
- Fluid intake should be with portion notes that allow verification. If the daily total is given without any breakdown, ask how it was calculated — 'I drank about 1.5L' without any portion details is an estimate that cannot be verified at M3
- Note the M1 averages for both metrics. A starting daily intake below 1L is common for people who underdrink; a starting urine colour average above 5 (yellow) confirms clinically significant under-hydration that the 8-week programme should address
- Recording only some days and estimating the others — baseline validity depends on all 7 days; missing even 2 days produces an average that may not represent the typical pattern
- Conflating all fluids with water intake — tea, coffee, and juice do contribute to daily fluid balance, but also have diuretic effects (caffeine) or sugars (juice); the method should note what each fluid was, and the primary focus should be on water and non-caffeinated non-sugary drinks
- Estimating urine colour from memory at the end of the day — colour recall is unreliable; the colour should be noted immediately after first-morning urination each day
Eight Weeks of Consistent Daily Hydration Practice
8 weeks of daily intake and colour logging (1–2 min per day) + bi-weekly average calculations
The 8-week programme targets a daily fluid intake of 1.5–2 litres per day from water and non-sugary drinks, measured and logged each day. The goal is to reach a morning urine colour of 3–4 (pale straw) on most days by Week 8. Build a consistent daily hydration habit rather than 'catching up' in the evening — spreading fluid intake across the day prevents uncomfortable large volumes and is more effective for hydration status than front or back-loading. Log daily fluid intake for all 8 weeks and morning urine colour at least 5 days per week. At Weeks 2, 4, and 6, calculate the 7-day average for both metrics and compare to M1.
Proof required
Submit your 8-week log with daily fluid intake (ml) and morning urine colour (1–8) for all 56 days. Include bi-weekly 7-day averages for both metrics at Weeks 2, 4, and 6. Note any specific strategies you used to increase daily water intake.
What gets checked
- Daily fluid intake and morning urine colour recorded for all 8 weeks — at minimum 5 days of colour per week; full 7 days of intake log per week
- Bi-weekly 7-day averages for both metrics at Weeks 2, 4, and 6 calculated from the actual logged days
- At least one specific strategy is named — 'I placed a 2L water bottle on my desk each morning and finished it by evening' is specific; 'I drank more water' is not
Resources
Foundationstart here
Depthgo deeper
What a verifier looks for
- Both metrics should be logged for the full 8 weeks. If the submission shows intake only (without colour) or colour only (without intake), ask for the missing metric — the two together are what makes the 8-week trend interpretable
- The bi-weekly averages must be from the logged days, not estimated. If the averages appear without underlying daily records, ask to see the records that generated them
- If B vitamin supplements or multivitamins were started during the 8 weeks, this should be noted — B2/riboflavin routinely makes urine bright yellow regardless of hydration; an apparent colour worsening that coincides with starting a supplement is likely this, not dehydration
- Logging water intake only on good days and omitting underhydrated days — the log must include all days; averaging only good days produces an inflated average that makes M3 look better than the genuine improvement
- Drinking large amounts of water in the evening to reach the daily total — evening compensation produces a single high-intake reading without addressing daytime dehydration; the urine colour in the middle of the day would still be high-scoring even with a good 24h average
- Attributing urine colour improvement entirely to water when vitamins cause colour change — B vitamins (particularly B2/riboflavin) and some foods make urine bright yellow even when well hydrated; note if vitamins were started during the 8-week period
Final Seven-Day Hydration Comparison and Attestation
7 consecutive days of real-time M3 logging (at Week 8) + 20 min to compile comparison table
The proof of improved hydration is a final 7-day period at Week 8 where daily fluid intake averages 1.5–2L and morning urine colour averages 3–4, compared to the M1 baseline. As with M1, both metrics must be recorded in real time for 7 consecutive days, not recalled at the end. Provide an attestation from one named person who witnessed your hydration habits across the 8-week period — a colleague, housemate, or partner who can describe whether and how your drinking habits changed.
Proof required
Submit (1) your M3 7-day record of daily fluid intake (ml) and morning urine colour (1–8) recorded in real time; (2) a before-and-after comparison table showing M1 and M3 7-day averages for both metrics; (3) an attestation from a named person who can describe the specific hydration changes they observed across the 8-week period.
What gets checked
- M3 records cover 7 full consecutive days recorded in real time using the same method as M1 — the same portion-noted intake log and the same morning colour observation
- The comparison table shows M1 and M3 side by side for both daily fluid average (ml) and daily urine colour average (1–8 scale)
- M3 daily fluid average reaches 1.5L or above, or shows a clear improvement from M1 if M1 was already above 1L
Resources
Foundationstart here
Depthgo deeper
What a verifier looks for
- The M3 7-day record must be the final 7 days of the programme, not a selected period. Ask the submitter when the M3 recording period was — it should be approximately Week 7–8
- The comparison table must show both metrics. If only fluid intake or only urine colour is compared, ask for the full table before accepting M3
- The attestation should describe observed behavioural change, not just knowledge of the programme. 'They always had a water bottle on their desk after the first week, which they hadn't done before' is observation; 'they said they were drinking more water' is not
- Selecting a week during the 8-week period when hydration was particularly good rather than logging the final week — the M3 record should be the last 7 days of the programme, not the best 7 days
- Comparing M1 daily average to M3 morning average or vice versa — both must be 7-day daily averages using the same calculation method for the comparison to be valid
- Providing an attestation from someone who was not present during the 8-week period — remote attestations based on conversations about the programme are not the same as observed behavioural change