Add 1 capful (5 mL) per 80 L (20 gallons) twice a week. You can increase the amount or frequency based on growth response but do not exceed 3 capfuls per 80 L (20 gallons) per day. Each capful will raise calcium by about 3 mg/L.
Notes: Use the Reef Status™: Calcium test kit to measure calcium. It is not necessary to exceed 380 mg/L total calcium when using this product. Color and clarity may vary between lots.
Reef Calcium™ Dosing Tables
Standard Dose
Raises calcium by approximately 3 mg/L
| Water Volume | 1 qt / 1 L | 1 gal / 4 L | 10 gal / 40 L | 50 gal / 200 L |
| Reef Calcium™ Dose (mL) | 0.063 mL | 0.25 mL | 2.5 mL | 12.5 mL |
| Reef Calcium™ Dose (caps) | 1/80 cap | 1/20 cap | 1/2 cap | 1 1/2 cap |
| Reef Calcium™ Dose (drops) | 1.25 drops | 5 drops | 50 drops | 250 drops |
Formula
Want a different result? Here's how to calculate it:
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Dose in mL =
Your tank volume (gal) x the amount you want to raise your calcium (mg/L) x 0.083
Do not raise your calcium by more than 3 mg/L in a single day using this product. To increase your calcium more, use an ionic calcium supplement like Reef Complete®
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Dose in caps =
Your tank volume (gal) x the amount you want to raise your calcium (mg/L) x 0.017
Do not raise your calcium by more than 3 mg/L in a single day using this product. To increase your calcium more, use an ionic calcium supplement like Reef Complete®
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Dose in drops =
Your tank volume (gal) x the amount you want to raise your calcium (mg/L) x 1.67
Do not raise your calcium by more than 3 mg/L in a single day using this product. To increase your calcium more, use an ionic calcium supplement like Reef Complete®
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