Aquasonic Rift Lake Water Conditioner.
The water chemistry in the African Lakes is unique. This blend of Salts, Minerals and Trace Elements has been formulated to re-create the same chemistry your Cichlids need. Also contains bacterial and fungal inhibitors to promote health and well being in your tank.
This needs to be added each time you water change your tank.
1 Teaspoon per 7 Litres.