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Info: Seachem Reef Complete® Dosing Instructions

BEGINNER: Use 1 capful (5 mL) per 80 L (20 US gallons) twice a week. Check calcium every 2 weeks and adjust amount or frequency accordingly.

ADVANCED: Check calcium level, then follow addition regimen above until calcium is adjusted to 380–420 mg/L. Each 5 mL/80 L (20 US gallons) will raise calcium by about 10 mg/L. Quantity or frequency can be adjusted, but do not exceed 12.5 mL/80 L (20 US gallons) per day. Thereafter, use as required to maintain calcium.

EXPERT: After determining the calcium consumption rate, set up a continuous drip system. Use the following formula to determine how much to add to your top–off water: m=vc/160 (m=mL of product to add to top off water, v=volume of tank in liters, c=amount to raise calcium in mg/L). [For reference: 1 US gallon=3.8 L].

NOTES: If used with Reef Calcium™, it is not necessary to exceed 380 mg/L total calcium. Use Reef Status™: Calcium to measure calcium.

DO NOT OVERDOSE: Excess calcium may enhance the loss of carbonate alkalinity. Do not directly mix with any carbonate supplement. Best if calcium & carbonate additives are added on alternate days or at least 30 minutes apart.

 

Reef Complete® Dosing Tables

Standard Dose

Raises calcium by approximately 10 mg/L

Water Volume 1 qt / 1 L 1 gal / 4 L 10 gal / 40 L 50 gal / 200 L
Reef Complete® Dose (mL) 0.063 mL 0.25 mL 2.5 mL 12.5 mL
Reef Complete® Dose (caps) 1/80 cap 1/20 cap 1/2 cap 1 1/2 cap
Reef Complete® 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  0.025

Do not raise your calcium by more than 25 mg/L in a single day _____________________________________________________________

Dose in caps =

Your tank volume (gal)  x  the amount you want to raise your calcium (mg/L)  x  0.005

Do not raise your calcium by more than 25 mg/L in a single day 

_____________________________________________________________

Dose in drops =

Your tank volume (gal)  x  the amount you want to raise your calcium (mg/L)  x  0.5

Do not raise your calcium by more than 25 mg/L in a single day 

_____________________________________________________________

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