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| Ivermectin applicator guns for pour on usually last a year or so. I believe the alcohol eventually shrinks the o rings and by then the plastic hose is usually also turned hard. Latest one quit in a couple of weeks. Won't pull Ivermectin into the gun when you squeeze the handle. Anyone fix one of these? Thought of filling it up with mineral oil to try and bring the o rings back (if that is indeed the problem.) | |
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