Capillary Mat Reservoir Days Calculator

Budget actual capillary-mat reservoir against measured daily draw and independent other losses; no crop watering schedule, constant weather guarantee or pump dry-run protection.

Description

Reservoir duration can be estimated from recorded daily mat draw plus independently measured other losses.

Reservoir duration can be estimated from recorded daily mat draw plus independently measured other losses. Reserved stock reduces usable water.^[1]

Enter nonnegative current/reserve with reserve≤current, nonempty nonnegative daily draws and nonnegative other loss; require positive total depletion. Return usable liters, rate and days.

When to use Capillary Mat Reservoir Days Calculator

Use Capillary Mat Reservoir Days Calculator when you need to evaluate the supplied records under the calculation and evidence rules below. No watering schedule, future weather or pump dry-run protection is supplied.

Prepare the measured crop, container, lighting or inventory records requested. Supply verified local catalogs, calibration factors and crop-stage limits; keep units and dates consistent.

How to use Capillary Mat Reservoir Days Calculator and understand its results

Prepare the measured crop, container, lighting or inventory records requested. Supply verified local catalogs, calibration factors and crop-stage limits; keep units and dates consistent.
Enter observedReservoirLiters, callerReservedLiters, observedDailyMatDrawLiters, otherMeasuredDailyLossLiters using the field table and calculation rules, then run the tool.
Read usableReservoirLiters, modeledMeanDailyDepletionLiters, estimatedReservoirDays. The explanation below defines the units, signs, ordering and any flags or placeholder values.
If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.

Input field	Meaning	Value type; see rules below	Requirement
observedReservoirLiters	Observed reservoir liters	number	Required
callerReservedLiters	Caller reserved liters	number	Required
observedDailyMatDrawLiters	Observed daily mat draw liters	list of number	Required
otherMeasuredDailyLossLiters	Other measured daily loss liters	number	Required

Enter nonnegative current/reserve with reserve≤current, nonempty nonnegative daily draws and nonnegative other loss; require positive total depletion. Return usable liters, rate and days.

days=(current−reserve)/(mean(dailyDraw)+otherLoss)

Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.

Output field	Meaning	Value type
usableReservoirLiters	Usable reservoir liters	number
modeledMeanDailyDepletionLiters	Modeled mean daily depletion liters	number
estimatedReservoirDays	Estimated reservoir days	number

json

{
  "input": {
    "observedReservoirLiters": 20,
    "callerReservedLiters": 2,
    "observedDailyMatDrawLiters": [
      2,
      4
    ],
    "otherMeasuredDailyLossLiters": 1
  },
  "output": {
    "usableReservoirLiters": 18,
    "modeledMeanDailyDepletionLiters": 4,
    "estimatedReservoirDays": 4.5
  }
}

Limitations and assumptions

No watering schedule, future weather or pump dry-run protection is supplied.

Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Numeric lists are limited to 10,000 entries; string lists to 128 strings of at most 128 characters each. The rules above may impose smaller limits. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.

Alternative or Complementary methods

Use Rainwater Roof Yield Greenhouse Calculator: Rainfall depth over roof plan area gives a water-volume budget. Capture losses, first flush and available storage reduce usable collection. For a complementary task, use Hydroponic Reservoir Size Plants Calculator: Reservoir autonomy combines measured plant draw with fixed loop hold-up. Nominal tank size also depends on its usable fraction.

References

Capillary Mat Reservoir Days Calculator — tool.io

Similar or alternative tools

Rainwater Roof Yield Greenhouse Calculator
Rainfall depth over roof plan area gives a water-volume budget. Capture losses, first flush and available storage reduce usable collection.
Hydroponic Reservoir Size Plants Calculator
Reservoir autonomy combines measured plant draw with fixed loop hold-up. Nominal tank size also depends on its usable fraction.