Sources for 1" Soil Push Probes

It is important that the push probe used for making pilot holes is the same OD as the delivery tubes carrying the IRIS films (which are 1.0" OD polycarbonate tubing).

Below are external links to several 1" soil push probes available online, that will work satisfactorily.

Note that that many push probes are not  1” OD (rather they are 7/8”, 15/16”, 1 1/8”, etc), and would not be suitable.

Probe has replaceable tip (various options exist)

 Probe has replaceable tip (various options exist) 

A very handy tool for cleaning soil out of the probe when making pilot holes

A simple standard inexpensive probe