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Refugium Light Cycle Calculator
Plan a reverse photoperiod light cycle for a refugium.
💡 Free Online Tool
⚡ Instant Results
📊 Clear Comparison
🔒 100% Free Tool
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Compare Your Options And Get Clear Answers
Plan a reverse photoperiod light cycle for a refugium.
Refugium Light Cycle Estimator
Enter your numbers below for an instant estimate.
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💡 Tip: Run refugium light when the display is dark.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Refugium Quick Guide
Typical values for reference.
| Refugium | Hours | Start | Note |
|---|---|---|---|
| Chaeto | 12-16 h | Evening | Common |
| Mixed algae | 10-14 h | Evening | Mild |
| Mangrove | 10-12 h | Night | Low light |
| Cheato 24/7 | 24 h | Always | Not advised |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Refugium Light Cycle Calculator FAQ
Answers to common questions about this calculator.
It evens out daily pH swings.
It gives a quick estimate of refugium light cycle from the values you enter.
No. It is a planning estimate, so check important figures with a professional or official source.
Yes. Edit any field and the result updates when you calculate.