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April 13, 2021
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Product Detail

Item#: SC6314
  Type Use:
  Units/Case: 1
  Wt Each: 0.50
 



Product Name: Reef Advantage Calcium 250g
Category: Additives*
Subcategory: Coral Calcium, Magnesium, & Alkalinity
Manufacturer: Seachem
Reef Advantage Calcium is a non-caustic (pH 8.3-8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are essential to all coral growth. If either becomes deficient, coral growth will cease, followed by a rapid decline in coral health. To prevent this you must provide calcium (Reef Advantage Calcium) and carbonates (Reef Builder or Reef Carbonate).

Reef Advantage Calcium also includes magnesium and strontium in amounts proportionate to typical utilization ratios (100:5:0.1, Ca:Mg:Sr). This allows one to maintain these two important elements while maintaining calcium.

Unlike limewater (kalkwasser), Reef Advantage Calcium does not have a caustic pH and will not deplete magnesium. Used as directed, it will not deplete alkalinity.

DIRECTIONS:

BEGINNER: Use 1 level teaspoon per 150 L (40 gallons*) twice a week. Dissolve in at least one cup of freshwater. Check calcium every 2 weeks and adjust dose or frequency accordingly.

ADVANCED: Check calcium level, then follow dosing regimen above until calcium is adjusted to 380Ð420 mg/L. Each dose will raise calcium by about 12 mg/L. Size or frequency of dose can be adjusted, but do not exceed 25 mg/L 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: t=0.002vc (t=teaspoons to add to top off water, v=volume of tank in gallons, c=amount to raise calcium in mg/L). For example, if you want to raise calcium by 25 mg/L in a 50 gallon* tank, then you would add 0.002x50x25=2.5 teaspoons into the top-off water.

HINTS: 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.
Guaranteed Analysis

Calcium-34.7%

Magnesium-1.73%

Strontium-0.0346%

FAQ from Seachem
Q: How concentrated is Reef Advantage? What is the advantage?

A: Reef Advantage is a concentrated calcium supplement capable of raising 20 gallons of water by 25 ppm of calcium with only 1 teaspoon. The biggest advantage is the ability to know exactly how much product to add in order to achieve any calcium level while restoring other essential ions. As an added bonus it mixes to a pH of 8.3 to 8.6 so you can forget about the pH battles associated with other calcium supplements. Additionally, it also contains strontium and magnesium ratios proportional to typical depletion rates. If Reef Advantage is used to maintain calcium, then other strontium and magnesium supplements are not necessary.

Q: I am using Reef Builder and Reef Advantage Calcium. I have Reef Calcium but I do not use it regularly. Why do I need Reef Calcium if I am using Reef Advantage Calcium? Are they the same?

A: Our Reef Advantage Calcium and Reef Calcium are completely different calcium supplements. Reef Advantage Calcium is an ionic calcium that is very concentrated and very economical to use. Reef Calcium is an organic calcium complex that is very readily available. The calcium in this product is bound to an easily metabolized carbohydrate, hence it being very available and your corals do not have to expend as much energy to use this form of calcium. In using these products together, I would consider Reef Advantage Calcium your primary calcium supplement and Reef Calcium as your secondary calcium supplement.
 



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