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How can I add live sand to my tank without making the water cloudy? |
A. The best way to add live sand without making the water cloudy is to do it when you first set up your refugium. Place a plastic bag over the sand as you slowly pour the water in to minimize the |
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amount of sand being kicked up by the water. To add live sand to an existing system, you must pour it very slowly. Chances are you will still have some minimal clouding, but it will settle in an hour or so. |
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REFUGIUMS, OR BIOACTIVE SUMPS, are a popular and beneficial addition to the saltwater system. The inclusion of a deep sand bed in the refugium can increase biodiversity, create a healthier environment, and produce a more natural food source for copepod and microalgae consuming inhabitants.
Refugiums serve as a home for
live sand,
live rock, and microcrustaceans, which feed and thrive on the detritus and wastes from the main aquarium, thereby adding to the biodiversity of the system. This microenvironment is also an excellent nursery for microcrustaceans, worms, and other microfauna.
Macroalgae, usually of the genus Caulerpa, is grown above the rock and sand, feeding upon the nutrients within the water. This keeps waste product levels in check and reduces the frequency of water changes. In addition, macroalgae can release compounds into the water that are thought to aid the immune systems of the inhabitants.
The two most popular substrate options in bioactive sumps are
reef mud and
live sand. Reef mud is an excellent source of trace elements, minerals, and nutrients. Live sand provides additional benefits because it is "alive" with millions of beneficial bacteria. This bacteria reduces the maturation period for the refugium and provides biological filtration benefits sooner.
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