ive seen people spray pastures with herbicides while the cow are still grazing it. but the poisions condence in alot of areas i would be afraid too risk it it couldnt get clean enough to suit me tooRAWCJW":2wbpd6zp said:Do you think I could get a fiberglass sprayer tank clean enough to haul water for cow's. I plan on eating them so it kinda worry's me with all the cancer around these days.