The increased damage to our enviroment continually affects our living conditions - a problem which also affects ornamental fish. The problem begins with the pond, and the ability to maintain a biological balance in water quality to create ideal living conditions for both fish and plants. Normal tapwater is in most cases much too aggressive. Therefore it is important to test the water value before the pond is stocked with fish and plants and regularly thereafter. With the care products from the aquavital series it is possible, should the situation arise, for the problem to be rectified.