Why use AQUAFOREST Ca Plus in a reef aquarium?
The calcium is an essential element for the growth of stony corals, particularly SPS and LPS. Combined with the carbonates present in the water, it enables the formation of their calcareous skeleton. An insufficient concentration can considerably slow their development or even halt their growth when the deficiency becomes severe.
AQUAFOREST Ca Plus provides calcium in an easily assimilable form to compensate for losses and correct deficiencies. Its concentrated liquid formula allows for precise adjustments, while its 250 ml format is particularly suitable for small reef aquariums and nano reefs with moderate calcium consumption.
What calcium level should be maintained in a marine aquarium?
AQUAFOREST recommends a calcium concentration between 380 and 460 mg/L (ppm). In practice, a level of around 400 to 450 mg/L is generally suitable for many reef aquariums. The objective is to maintain a stable value suited to the tank's salinity in order to promote regular calcification.
The effectiveness of supplementation also depends on the balance between calcium, magnesium and alkalinity. A suitable KH is essential to enable proper coral calcification. AQUAFOREST notably recommends using KH Plus or KH Buffer to maintain appropriate carbonate hardness. Regular tests or ICP analyses can be used to monitor these parameters and adjust supplementation.
AQUAFOREST Ca Plus 250 ml dosage
The dosage depends on the aquarium's actual water volume and the desired increase in calcium. Two Ca Plus formulations are available, with different concentrations:
- New formula (red badge): 10 ml increase calcium by 20 mg/L in 100 liters of water.
- Old formula (without red badge): 10 ml increase calcium by 15 mg/L in 100 liters of water.
Before each supplementation, it is recommended to measure the calcium level and calculate the required amount based on the aquarium's net volume. For the old formula, the maximum recommended dose is 20 ml per day for 100 liters of water. This limit should not be automatically applied to the new, more concentrated formulation. In cases of significant deficiency, corrections should be made gradually to preserve parameter stability. Magnesium levels should also be checked before adjusting calcium and alkalinity.
Usage advice and precautions
Ca Plus can be added gradually to a well-circulated area of the aquarium or to the sump to promote dispersion. A dosing pump can also be used to split the doses and maintain a stable calcium level every day. It is preferable to space out additions of calcium and solutions intended to increase KH in order to limit the risk of precipitation.
Warning: this product contains calcium chloride (CaCl2) and causes severe eye irritation. Wearing eye protection is recommended when handling it. If it gets into the eyes, rinse cautiously with water for several minutes, remove contact lenses if possible, and continue rinsing. If eye irritation persists, seek medical attention. Keep out of reach of children.
