Testing Kit Supplier in Bangladesh
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Secchi Disk – Water Transparency Measuring Instrument Original price was: ৳ 2,000.৳ 1,850Current price is: ৳ 1,850.Add to cart
A Secchi disk is an 8/10 inch disk with alternating black and white quadrants. It is lowered into the water of a lake until it can no longer be seen by the observer. This depth of disappearance, called the Secchi depth, is a measure of the transparency of the water
