4.1 - Plastic Overlay Depth Marker - 6 x 6 Inch with 4 Inch Lettering length_25 Feet This PockeTester also allows you

This PockeTester also allows you to add a TCI (Chlorine) and/or pH sensor so you can test three factors (sold separately)

For edging: 1 tube per 17 feet of edging

Calibration can be easily performed by entering the AutoCal feature and entering a value to match an external reference

The fit is universal 37

Also works with Separation Tank Models SEP48

4.1 - Plastic Overlay Depth Marker - 6 x 6 Inch with 4 Inch Lettering length_25 Feet This PockeTester also allows youThis plastic depth marker tile states 4. 1. It has an overall size of 6 x 6 inches which will fit over standard ceramic pool depth marker tiles. Our tempered Plastic Overlays are made for the waterline depth in your pool. They have beveled edges, a smooth surface, and a thin profile. They can be installed over most surfaces including tile, fiberglass, paint, vinyl liner, etc. Overlays are used to go over existing tile depth marking that has faded or