Therefore, what would normally be a tolerable level of toxic substances in freshwater, is likely to be lethal in the marine aquaria. Iron reacts with both fresh and saltwater, but marine organisms are much more susceptible to the harmful effects of these chemical reactions than freshwater organisms are.
The most obvious (and potentially lethal) are old angle-iron tanks. It must be stressed straightaway that some of the aquaria which can be used for freshwater fish are out of the question when it comes to marine organisms. It is, therefore, well worth spending some time weighing up several possibilities before making a final choice.Īs with the freshwater hobby, there are two main points to consider: the type of aquarium and its size. Choosing The AquariumĬhoosing a suitable aquarium is one of the most fundamentally important decisions that need to be made. This particular guide, therefore, concentrates on just one category: setting up a basic marine fish tank.Īlthough it cannot hope to cover even this limited subject in great depth, it nevertheless attempts to tackle the main principles of this side of the hobby in sufficient detail to allow the potential marine aquarist to make an informed start.
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