JBL Manado 3l
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Item no. 6702200
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Should the TH still remain too high despite several water changes, this is an indication that JBL Manado hasn’t been cleaned thoroughly enough. Please carry out a daily water change of at least 70% for about 4-5 days. The cleansing process should then be complete.
The grain size is 0.5-2 mm.
It is no problem to add JBL Manado subsequently to the aquarium. But then I would recommend rinsing JBL Manado very thoroughly several times in warm water beforehand. Without this, natural raw material fluctuations could briefly lead to a release of calcium into the water. However this effect is only short-term and can be prevented by a thorough rinse in warm water.
I don't see a risk of overheating as long as the substrate heating cable is installed properly with the spacers and is not placed directly on the glass pane.
Even if remote diagnoses are extremely difficult here, the formation of foam on the water surface is an indication of too many organic components, particularly protein, which foams as a result of the water agitation. This would have to be confirmed by taking samples, though. As JBL manado is free of organic substances, one can be quite sure that it is not the cause of the foam.
Manado has a lower specific weight than gravel. The substrate can usually be cleaned with a gravel cleaner of sufficient width. If Manado is suctioned with too much force, it helps to decrease the suction power by means of a stopcock, for example. _x000D_ _x000D_ If a tank has just been set up, normally, the bottom does not need to be cleaned thoroughly, and cleaning can be limited to the upper part of the tank.
No, because Manado has a higher pore volume than sand. This means that the sand would trickle down through it.
Depending on the production process, a quantity of approx. 0.5 - 1 % may float after the substrate has been washed out. Larger quantities can be ruled out due to strict controls. When adding the water be careful not to disturb the substrate. The stones should no longer float once the substrate has been washed out with warm water, as this is a sign that the rinse was not carried out. Using a plate helps to distribute the water jet evenly. The substrate is very light and helps the plants to grow. To prevent the plants from floating upwards at the beginning, the substrate needs to have a depth of at least 5 cm. JBL PROSCAPE PLANTIS also help to fix the plants in place. An initial floating of the plants also occurs with sand and gravel and can only be prevented with this aid.
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