siamese fighting fish bubble nestsFilters assist by casting off large waste particles and by breaking down toxic waste merchandise. When the tank water is passed over the filter media, really useful aquarium micro organism convert the toxic ammonia published from decaying fish waste into less dangerous nitrates. This is referred to as a biological filter, and is a must-have to the health of any aquarium. These bacteria take weeks to set up in a new aquarium, and might be lost simply by absolutely cleaning a tank, that’s what often occurs in small tanks and bowls. An knowing of the behaviours of different fish species and a larger tank is also required. You will need a tank with a capability of 40 litres for one Siamese combating fish and a university of small community fish, with a further 20 litres advised for a huge shoal or each additional small shoal of an alternate species.