The start-up phase

After it has been filled the aquarium is in the start-up phase. This lasts about two months.

During the start-up phase the following can sometimes occur:

Mould residue:

This oily film on the water surface is formed from iron-eating microorganisms and shows that there is an excess of oxidised iron present.
The mould residue is of course unattractive, but it disappears after a while. You can however remove it with kitchen paper, with a surface extractor or lily pipe.

White or green clouding:

This is caused by microorganisms or floating algae. To remedy this, reduce the lighting period, feed sparingly and do not fertilise, add TR7 Tropic.
To speed up the process, a UV light connected to the filter will help.

Schedule for water changes, fertilisation and water care in the start-up phase:

When changing the water don't forget the Avera water conditioner!