By dealing effectively with ammonia & nitrite fish can be added immediately & new tank syndrome avoided. Normally, when setting up an aquarium, it takes time to introduce the fish (sometimes weeks). This is because the filter inside the aquarium needs to 'mature' in order to deal with harmful ammonia, produced by the fish, & nitrite. High levels of these substances are toxic to fish – an effect known as new tank syndrome. Controlling the water using water tests are absolutely essential! Now it is possible to create a biologically active environment for your new fish. Instant biological activity in your aquarium provided by life bacteria Reduce dangerous Ammonia & Nitrate 12 Stablize temperatures whether its 2 Grad C or 30 Grad C Receive an ideal combination with Tetra Aqua Safe For all fresh water aquariums When setting up a new aquarium: Set the aquarium up & turn on all equipment, using Tetra Aqua Safe to condition the water Wait at least 24hrs to ensure that the equipment is working correctly, & to allow the aquarium to reach the correct temperature Then add 5ml of Safe Start per 6 litres of water, at the same time as adding the fish We recommend adding a moderate number of fish, under the direction of your aquatics outlet As a precaution: We recommend regularly testing the ammonia & nitrate levels using test kits. If levels rise, perform a partial water change using Tetra Aqua Safe to reduce them Following filter maintenance, water quality problems, or water changes: Add 5ml of Safe Start per 6 litres of water