Category Archives: Practice

Water replacement – How does it work?

It seems pretty trivial: water is poured in the aquarium. Sometimes, though, things can be a little more complicated than what can be assumed at first sight, since tap water contains calcium, carbonates, nitrates, phosphates and often many other substances, meanwhile only pure H2O evaporates from our aquarium. The water composition is, depending on geographical […]

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Reverse Osmosis for the marine aquarium

Marine organisms react in a very sensible way to many different kinds of pollution. In this regard there is a long list of reasons: on one side they enter contact with marine water through all of their body, and many reef animals inside of them even fill the cavities with surrounding water. On the other […]

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Frozen fodder unfrozen in the fridge? It must not happen!

It occasionally happens to every aquarium keeper: the ice cubes housings or the freezer become victims of an electrical blackout, an accidentally unplugged power cable or other structural damage, the kind of which would usually be harmless in and of itself. Temperature will be kept stable for a few hours without power supply, but it […]

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Skimming in marine aquariums

Skimming is a physical procedure for depuration, for removal of certain substances from water. During this process it is not at all needed to distinguish between useful or dangerous substances, so much so that water not only loses those that affect the organic load, but also many mineral elements of vital importance to the aquarium’s […]

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The administration of food to corals

Is an additional administration of food to symbiotic corals necessary, or not? Surely, the aquarists’ opinions on this point disagree, and many completely give up feeding symbiotic corals in their aquarium. However, there should be no doubt on the fact that many species of symbiotic corals take nutritional particles from the water. The zooxanthellate corals […]

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