The midi secchi is a 3D printed printed device for measuring secchi depth in lakes, estuary and near-shore environments to a depth of 20m.
These are available for pre-order please email email@example.com for avalibility.
One midi secchi
Two finger straps
Litnus paper dongle
80 paper litnus pack
Two spare pantone coded self adheasive Forel Ule (FU) scales
Replacement 125mm secchi disc