Secchi Disk, Black & White, 20cm Dia.

Secchi Disk, Black & White, 20cm Dia.

Secchi Disk, Black & White, 20cm Dia.

• Used to determine water clarity
• Estimates phosphate concentration by microscopic plant and animal life supported by the water
• The durable 20cm disk is weighted to lower into the water until it can't be seen; depth is then recorded

160-26139

$29.98

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Secchi Disk, Black & White, 20cm Dia.

Secchi Disk, Black & White, 20cm Dia.

• Used to determine water clarity
• Estimates phosphate concentration by microscopic plant and animal life supported b

Write your review

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