 | Do I have to keep the ceramic media provided? |  |
 | The ceramic media provide essential biological filtration.
It is your fish’s toilet, bacteria will colonise the media and
consume toxic fish waste making the water safer for your fish to
live in. With |
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| Can I use a longer airline? | |
| Anything longer than 3-5 metres will require a larger air pump. Always attach the new airline to the pump end of the existing airline, not the biOrb end. Trim the end of the tube you detach from the pump and use either a straight airline connecter, or bet |
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| My light bulb has stopped working? | |
| Light bulbs do wear out. The special halogen bulb used in our light unit should last at least 1600 hours. This can easily be replaced following the instructions included with the light unit. |
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| What happens if there is a power cut? | |
| A power cut will interrupt the supply of oxygen into the biOrb. Without oxygen for long periods filter bacteria will start to die and the water may become polluted. Fish may also experience difficulty breathing, particularly at night when oxygen level |
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