Reduced price!
Marine Calcium+ 500 ml

Marine Calcium+ 500 ml Calcium Supplement

No reward points for this product because there's already a discount.


New product

Increases calcium content of seawater aquarium (500 ml)

2 Items

In stock




Calcium is the most important mineral in seawater and is vital for healthy and steady growth of corals and invertebrates.

The optimal calcium content is between 410 and 440 mg/l.

Calcium levels can drop very quickly and is regularly tested weekly with Colombo Marine Calcium test.

Colombo Marine Calcium + can be used in a safe and simple way.

Calcium plus and Magnesium plus contain ingredients; which are harvested from natural seawater by means of solar evaporation. This offers large advantages compared to products that use chemical or mined ingredients.


1 ml to 5 liters of sea water increases the calcium level of 35 mg/l.

If necessary repeating the next day.

Related Products