Aqua Medic CO2 complet Manuale operativo - Pagina 6

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CO
reactor adjustment:
2
1. Turn on the circulation pump to start the water flow.
2. Open the valve of the CO
3. The working pressure gauge of the regular is set to 1.5 bar ( +/-
.5 bar)
4. open slowly the needle valve of the regular.
5. Check the flow of the CO
initial flow should be approx 15 bubbles/minute.
6. The CO
will flow into the reactor and dissolved in the water flow.
2
7. Determine the CO
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pH test. Take an initial pH reading before starting the reactor. Raise
the bubble count per minute daily until a reading of 7.0 – 7.4 ( for
freshwater aquaria) is reached. It may take some days, until the
proper CO
level is reached and maintained.
2
Check the pH value regually and adjust the CO
required.
The CO
gas in the pressure bottle is 99.8% pure carbon dioxide. The
2
remaining 0.02% are nitrogen, oxygen and other insoluble gases. These
impurities are collected in the CO
efficiency. An air hole allows these gases to escape automatically, when
they reach a preset concentration. Because of this safety exhaust, the
reactor will work continously without interuption.
raising the carbonate hardness (alcalinity)
Aquarium water, freshwater or saltwater should have a minimum
carbonate hardness of 4 – 6 °KH (1.5 – 2 mmol/l). Below this limit, the
pH of the water cannot be stabilised. Biological processes produce
permanetly organic acids, that reduce the carbonate hardness. Filtration
with peat or the use of other acids ( Phosphoric acid or hydrochloric
acid). If peat products are used for filtration, the carbonate hardness of
the water should be checked weekly. If the KH drops below 4° in
freshwater or 6 ° in saltwater, it should be raised. We recommend the
buffer tablets AB Aqua Medic aqua+ KH.
Maintenance
Keep CO
reactor always clean. For cleaning, it can be completely
2
dissassemblied.
1. dismantle the reactor
2. Separate the reactor cover (4) from the reactor by twisting the
bayonet joint to the left.
Pull out the spiral tube insert (6)
3. Clean all parts under running water with the brush provided with the
kit.
4. reassemble the parts and install into the aquarium.
Enhancing the performance
The maximum capacity of the reactor is reached, when the inner tube
is completely filled with CO
reached. In this case, the capacity of the reactor can be increased
using an additional extension set. With this extension, it is possible to
dissolve more CO
.
2
Up to 4 extension sets can be connected to the reactor. If extension
sets are used, the pump capacity has to be increased.
The optimum CO
quantity
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The amount of CO
, that can be dissolved in water depends mainly on
2
the carbonate hardness (alcalinity) of the water. The higher the
carbonate hardness, the higher is the CO
pH value. The
toxic level of the CO
6
pressure bottle
2
bubbles on the bubblöe counter. The
2
content in the water using a pH controller or a
reactor and can decrease ist
2
- gas and a pH of 7.0 – 7.4 cannot be
2
concentration – at the same
2
-concentration is also depending on
2
bubble count as
2