Kalkwasser, otherwise known as limewater, is actually calcium hydroxide. Kalkwasser is a very fine powder and is normally introduced to the aquarium with the top-up water. There are realistically two methods to add kalkwasser to the aquarium, these are by a ‘kalk reactor/stirrer’ or by using whatRead more →
Marine livestock are used to very stable conditions. Much of this livestock comes from the wild reefs and there are literally cubic miles of seas and oceans to act as a sump. True, reefs can have problems created by mankind, such as industrial and agricultural run-off etc.Read more →
A calcium reactor is a device which is used to provide much needed calcium as well as other elements dependant upon the media used. They work by slowly passing water through the media and recirculating it via a small pump. CO2 is slowly applied to the deviceRead more →
The marine reef aquarist carries out routine changes to maintain the necessary high quality of the seawater. The life within the aquarium makes demands on the seawater and the aquarist needs to ensure that there is sufficient quantity to meet those demands.
Some of the additions to the seawater are well known and accepted. One of these is calcium. Others are not so widely accepted as necessary, and one of these is iodine.
All non-scientific people, which includes me, tend to think of iodine as, well, iodine. As in so many things, it is not as simple as that.Read more →