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Biological Filter For Water Quality

Biological filter needs to be cleaned periodically, especially to remove particles that may cause clogging. Cleaning should be done with caution not to make the bacteria that live there die. Cleaning can be done by rinsing with clean water free of chlorine. Cleaning can also be done in stages, with the left most other media remain tertanggu.  This will ensure ...

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Application Probiotika For Raising

Probiotics are generally defined as additional bacteria (inoculant) used to carry a certain microbiological enzymatic process. The fact further indicates that the organisms that carry out tasks biological changes can also be defined as biomanipulator. Some organisms can be regarded as biomanipulator is an herbivorous fish (beronang / Siganus spp), fish omnivore (tilapia fish and fish), fish plankton feeder (tilapia ...

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Ammonia Nessler Method

Determination of ammonia-nitrogen used indophenol method (method phenate). This method of giving out a good result for the waters of the pool water. reagent used is phenate (phenol), chlorox (oxidizing solution) and manganese sulphate. phenol and hypochlorit (chlorox) action in the solution is alkaline-forming phenylquinone monoimine which would then be reacted with ammonia to indophenol blue. blue color density comparable ...

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Tools Refractometer

Refractometer is an instrument used to measure the level / concentration of dissolved materials for instance: Sugar, Salt, Protein etc. The working principle of a refractometer as the name suggests is to utilize the refraction of light. As shown in Figure 28 below a straw dipped in a glass of water will look terbengkok. In the second picture a straw ...

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Ammonia Measurement Method Phenate

To determine the amount of the total concentration of ammonia nitrogen in water sample used spektrofotomerik principle conducted in labs. In order to be readable by a machine spectrophotometer, ammonia in 10 ml water sample that has been filtered to be treated beforehand with 0.5 ml phenol and 0.5 ml of sodium nitroprusside were homogenized, and then the reaksikan back ...

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Definition of Cropping

Salting is a method used to preserve the product of fishery by using salt (NaCl). In the process of salting, preservation is done by reducing the water content in the body of fish and in the body of bacteria so that bacteria can not live and grow again. The term salting is also often called marinating. The salting technology is ...

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