PDSCo.’s Bentonite Plug ⅜-inch Bentonite Chips natural sodium bentonite chips for use in sealing casings, plugging flow holes and monitoring well isolation aquifers, well decommissioning, grounding rods and geothermal wells. pdscoinc.com
PDSCo. Bentonite Chips
![PDSCo. bentonite plug](http://www.thedriller.com/ext/resources/Issues2/2019/09-September/nd-pow-pdsco-09162019.jpg?1568729229)