Secchi Disk With 50 Foot Rope salt-friendly_Yes 2-1/2 inch face

2-1/2 inch face

The game will be ready for many years to come

which can consume chlorine and provide nutrients to algae

5/16 to 1/4 Inch O

Secchi Disk With 50 Foot Rope salt-friendly_Yes 2-1/2 inch faceOur Secchi Disk is used to measure the depth at which a person can see into the water, thereby assessing water clarity. This clarity measurement is required by the majority of state health boards for swimming pool safety. This disk is double sided and allows for two different types of visibility indicators. The representation is a 6 inch black disk offset on a white circle, as well as alternate black and white quadrants. Compliant with numerous state