Tropical fish wholesalers - Water Change
The ideal solution is daily renewal of a small amount, with the help of a drip (see page 256). This technique is becoming more common among experienced aquarists. It requires a special installation, and above all an overflow for the aquarium - equipment which is not readily available in every case. However, many fishkeepers find this system the ideal solution: - the maintenance is reduced, as the water changes are less frequent; - there are no abrupt variations in the environment; - various substances, such as nitrates, are regularly eliminated and therefore do not accumulate; - it entails a regular, though limited, supply of the various substances contained in the water (mineral salts, trace elements); - the pH is stabilized; - this method seems to restrict the growth of certain somewhat unsightly algae. A word of wisdom: the water siphoned off a freshwater aquarium is excellent for watering house plants as it contains dissolved organic matter!
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