Secchi Disc - for Spirulina Cultivation

A Secchi Disc is a measuring tool that will help you measure the density of your Spirulina (or any other algae).


To measure, lower the disc, so it is perpendicular to the water. When the white circle is no longer visible, stop and look at the number on the waterline. The lower the number, the more Spirulina there is in the water. 


Secchi Disc - for Spirulina Cultivation

34.00$ Regular Price
25.00$Sale Price

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