BEGINNER: Use 1 capful (5 mL) per 80 L (20 gallons) twice a week. Best if diluted into a cup of freshwater, then added. Check alkalinity every 2 weeks and adjust amount or frequency accordingly.
ADVANCED: Check alkalinity, then follow addition regimen above until alkalinity is adjusted to 4–5 meq/L. Each mL contains a minimum of 4 meq of alkalinity. Each 5 mL/80 L will raise alkalinity by about 0.25 meq/L. Amount or frequency can be adjusted, but do not exceed 20 mL/80 L per day. Thereafter, use as required to maintain alkalinity.
EXPERT: After determining the alkalinity consumption rate, set up a continuous drip system. Use the following formula to determine how much to add to your top–off water: m=va/4 (m=mL of product to add to top off water, v=volume of tank in liters, a=amount to raise alkalinity in meq/L). For example, if you want to raise alkalinity by 1 meq/L in a 200 liter tank, then you would add (200x1)/4=50 mL into the top–off water. [For reference: 1 gallon=3.8 L].
NOTES: Best to pour in gradually near strong water movement. Do not add to a sump or other area of slow water exchange. Use MultiTest:™ Marine pH & Alkalinity to measure total alkalinity or Reef Status™ Magnesium, Carbonate & Borate to measure carbonate alkalinity.
DO NOT OVERDOSE: Excess alkalinity may enhance the loss of calcium, magnesium, and strontium. Do not directly mix with any calcium, magnesium, or strontium supplement. Best if calcium & carbonate additives are added on alternate days or at least 30 minutes apart.
Reef Carbonate™ Dosing Tables
Standard Dose
Raises alkalinity by approximately 0.25 meq/L
| Water Volume | 1 qt / 1 L | 1 gal / 4 L | 10 gal / 40 L | 50 gal / 200 L |
| Reef Carbonate™ Dose (mL) | 0.063 mL | 0.25 mL | 2.5 mL | 12.5 mL |
| Reef Carbonate™ Dose (caps) | 1/80 cap | 1/20 cap | 1/2 cap | 2 1/2 tsp |
| Reef Carbonate™ Dose (drops) | 1.25 drops | 5 drops | 50 drops | 250 drops |
Formula
Want a different result? Here's how to calculate it:
NOTE: MEQ/L IS NOT EQUAL TO dKH
If your test kit gives results in dKH, you will need to convert to meq/L before using this calculator.
50 ppm = 2.8 dKH = 1 meq/L
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Dose in mL =
Your tank volume (gal) x the amount you want to raise your alkalinity (meq/L) x 1
Do not increase your alkalinity by more than 1 meq/L in a single day
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Dose in caps =
Your tank volume (gal) x the amount you want to raise your alkalinity (meq/L) x 0.2
Do not increase your alkalinity by more than 1 meq/L in a single day
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Dose in drops =
Your tank volume (gal) x the amount you want to raise your alkalinity (meq/L) x 20
Do not increase your alkalinity by more than 1 meq/L in a single day
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