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JBL Co2/pH Permanent test

  • alat tester pengukur Co2/pH (pengukuran langsung secara permanen, lebih mudah daripada hasil tes biasa)
  • cukup di tes sekali dan kadar co2/pH bisa di monitor setiap saat.
  • indikasi nilai pH (6,4-7,8) dan konten CO2
  • memberikan hasil tes kandungan Co2 dengan akurat pada akuarium air tawar, air laut dan kolam taman

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alat tester pengukur Co2

JBL Co2 Direct test, alat pengukur kadar Co2 pada akuarium air tawar, air laut maupun air kolam taman. Kapan alat test ini dibutuhkan? bila ada kasus masalah ganggang hijau, tanaman yang tidak tumbuh tumbuh atau kematian ikan.


Test principle:
An indicating device contains an indicator liquid which is separated from the surrounding water by an air pocket. CO2 diffuses through the lower opening of the appliance via the air pocket into the indicator. After a short time the indicator liquid acquires the same CO2 level as the surrounding aquarium water. The indicator changes colour according to the CO2 level: blue = too little CO2; green = optimum CO2; greeny yellow to yellow = too much CO2. The CO2 level can be read directly from the
colour chart. The air pocket described is vital for the level to be displayed precisely, as the indicator would otherwise mix with the surrounding water and fade.

Many CO2 permanent tests are filled with a mixture of aquarium water and indicator. This means that the KH in the aquarium has to be measured separately in order to be able to calculate the CO2 level correctly. The new JBL CO2 Permanent Plus pH test set uses an indicator which is ready for use and does not need to be diluted with aquarium water. The CO2 level can therefore be measured directly, independent of other acids in the aquarium water (e.g. humic acids or nitrate), as a numerical value given in milligrams per litre.

Instructions for use
Two versions of the colour scale are provided. The smaller format can be put directly on the transparent cover (item 1), or the larger one may be attached to the outside of the aquarium pane (Item 6). Before installing the appliance, please select the desired location for the colour scale.
1. If the colour scale is to be attached directly to the transparent lid of the appliance, this should be done now: place the complete appliance on a flat surface with the suction pads uppermost. Attach the small version of the colour scale level with the upper edge of the transparent lid, so that the writing is the correct way up when the lid is in position. The white panel inside should remain clearly visible.
2. Remove the transparent lid from the bottom part and put in 35 drops of indicator liquid.
3. Invert the black lower section of the appliance and put onto the transparent lid so that the white panel and suction pads face the flat, framed side of the transparent lid.
4. Carefully and slowly turn the appliance over so that the black section is pointing vertically downwards. Take care that no liquid leaks from the slit behind the white panel.
5. With the appliance upright and the black section at the bottom, attach to a pane of the aquarium in a clearly visible position so that an air pocket remains under the black lower section. The distance between the appliance and the surface of the water should be approx. 10 cm.
6. If you have decided to use the larger format of the colour scale, attach this to the outside of the aquarium pane near the appliance.

The current CO2 level can be read in milligrams per litre by comparing the indicator colour in the appliance directly with the colour on the scale.

The correct CO2 content
For aquarium water JBL recommends a CO2 content of between 15 and 30 mg/l. 20 - 25 mg/l has proved to be ideal. This level is not harmful for fish and also ensures luxuriant plant growth. Gradually adjust your CO2 fertilizing equipment until this level is reached. How much CO2 has to be added to your fertilizer system to reach this level depends on various factors. Water movement, consumption by the plants etc. - all these have an influence. The right amount to add therefore has to be found for each individual aquarium. Please also consult the operating instructions for your CO2 fertilizing system.