Tag: water transparency

Feb 14 2015

First use of “Secchi disk” in measuring water transparency

        Being a simple and useful tool, the “Secchi disc” or “Secchi disk” is widely used as a simple tool for measuring the transparency in water bodies including fish ponds.  The disk is commonly identified by its circular appearance with its black and white quadrates. The simplicity of the disk goes also …

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Permanent link to this article: http://fishconsult.org/?p=12412

Nov 17 2011

Gravel filter in earthen fish pond (Egypt)

Mechanisms used in filtering water will depend on potential usage of water. This photo shows a type of gravel filters whereas filtered water is used in tilapia hatchery as well as for landscaping. This filter is located in 1000-m2 earthen pond. The filter is established above concrete base. The outer dimension of the filter is …

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Permanent link to this article: http://fishconsult.org/?p=1501

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