Idiomas disponibles
Idiomas disponibles
1. Product description
The Aqua Medic Calciumreactor KR 1000 consists of the following parts:
- Reaction vessel (height: 50 cm, volume approx. 10 l)
- Filling with Aqua Medic Hydrocarbonate, medium to coarse grain
The water in- and outflow for connection to a 6/4 mm air tube, the circulation pump and the
injection port for CO
2
2. Theory
The equilibrium between calcium and carbonic acid in a saltwater aquarium is destroyed due to the
biological activity of the animals. For the construction of their calcareous skeletons they take
calciumcarbonate out of the water. As a result, it comes to a lack of calcium and an increase of the
pH value.
The Aqua Medic Calciumreactor is a module for adjusting the natural equilibrium between calcium
and carbonic acid in the aquarium. It is filled with Hydrocarbonate, a highly purified
calciumcarbonate. Because this calciumcarbonate is not soluble at pH values common in seawater
tanks, it is necessary to blow carbonic acid into the reactor. This results in a local drop of the pH
value and simultaneously to the dissolving of calciumbicarbonate.
To avoid an overdosage, the addition of carbonic acid can be controlled by using a pH Controller or
pH-Computer. This method does not change the pH value of the aquarium water.
Chemical reaction
CaCO + CO
+ H
O -----> Ca
2
2
Calciumcarbonate + Carbonic acid + Water ------> Calciumbicarbonate
Calciumbicarbonate is easily soluble. It can be directly taken up by animals and plants and
integrated
into
their
calciumcarbonate. During this back reaction, CO
photosynthesis.
3. Working principle
The Calciumreactor is supplied with water from the top. The flow rate should be adjusted that way
that the ph-value doesn't exceed 8.3 during the day and doesn't drop below 7.8 at night. The flow
rate can be adjusted exactly by the dosing pump SP 3000 (included, max. 3 l/h) and a timer (not
included in shipment). The circulation pump placed in the top of the reactor circulates the water
internally. The CO
is connected to the injection port on top of the reactor. The pump sucks on CO
2
Through the rotation of the patented Aqua Medic mesh wheel, the CO
in the water. Then the CO
circulated. Thereby, calciumbicarbonate is extracted from the Hydrocarbonate. This is exactly the
combination which corals need for their growth.
The outflow is located in the top of the filter. From there, the water flows into the aquarium or back
into the filter tank. The carbonic acid can be added from a pressure bottle.
4. Set-up
This version of the Calciumreactor is a closed system that can be operated without a cabinet
filter.
The reactor can be installed below the aquarium from where the water can flow into a filter
chamber or back into the aquarium.
IMPORTANT: Never completely close inlet and outlet as excess pressure due to carbon
dioxide supply may arise!
are placed in the top of the filter.
2+
+ 2HCO
3
skeletons.
By doing
enriched water is pumped below the Hydrocarbonate and finally
2
this,
calciumbicarbonate is changed back to
is released which is used by Zooxanthellae for
2
2
will be completely dissolved
.
2
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