Tropical Marine Power Easy Calcium

Tropical Marine Power Easy Calcium
  • Tropical Marine Power Easy Calcium

Tropical Marine Power Easy Calcium

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Tropical Marine Power Easy Calcium

MARINE POWER EASY CALCIUM is used to raise the calcium level in a marine aquarium and is primarily intended for small tanks with a predominance of soft corals.

The importance of Ca in the aquarium.

Calcium is one of the main macronutrients in seawater. It is extremely important for the proper growth of calcified corals (SPS/LPS) and for many marine organisms, such as snails and mussels.

These organisms take calcium directly from the water, so an excessive calcium deficit can not only slow down their growth, but also negatively affect their condition and health.

The optimal level of Ca

The calcium level in coral reef waters is about 390-420 mg/l.

In most marine reservoirs, the Ca level should be kept as constant as possible, in the range of 380-440 mg/l.


In a properly functioning marine aquarium, Ca ions are steadily declining, primarily due to the consumption of calcium carbonate.

Carbonates are consumed not only by calcifying beads (SPS and LPS), but also by mollusks (snails, bivalves) and calcareous algae.

Calcium deprivation should be supplemented daily with MARINE POWER EASY CALCIUM. Calcium consumption depends on many factors, such as water temperature, lighting, type of storage in the aquarium and others, and its level requires regular monitoring.

The more optimal the conditions in the aquarium, the faster the corals will grow and the faster they will consume calcium from the water. Therefore, Ca supplementation must be constantly controlled and adjusted to the needs of the aquarium.

To determine the calcium level, we recommend the XACT MARINE POWER TEST CALCIUM. Thanks to it, you can easily determine the current level of Ca and its loss, for example, during the week.

Determination of the average daily loss of Ca

If the aquarium consists mainly of soft corals, the daily Ca consumption may be small and may vary daily, therefore we recommend calculating the average daily Ca loss. For this purpose, two Ca measurements should be made with an interval 4-5 days.

It is important that both measurements are done at approximately the same time of day and that the water change (if done weekly) is done at least 24 hours apart from both measurements. Thanks to this, it will not significantly affect the result.

In a properly functioning aquarium, the first Ca result should be higher than the second. Then we subtract the second result from the first and divide the value obtained by the number of days (minus 1), in the interval in which we took the measurements.


Day 1: Ca = 420 mg/l

Day 5: Ca = 400 mg/L

The decrease in Ca = 420 - 400 = 20/4 days = 5 mg/l per day

The result means how much daily Ca supplementation should be increased. If the result equals 0, no Ca supplementation is required.

It should be remembered that Ca consumption will increase with the growth of corals and other invertebrates in the aquarium. Therefore, this process must be repeated every few weeks.

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