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Here is some info on fighting the green with salt that I copied from a thread that wouldn't link for some reason.
Recently i read about how some commercial edible mushroom growers battle trich and the article mentioned that they often use ordinary table salt to inhibit growth of trich. having battled trich at great lengths over several years, i was intrigued enough to give it a try. i'm pleased to report that so far it appears that ordinary table salt is very effective.
i've used it 5 times so far, all on casings. first i cut out the trich areas, making sure i got it all by cutting well outside the visible growth area. then i misted it all down good with bleachwater to kill the mold spores left on the casing surface. next, i poured table salt into the wound left from the surgury, using quite alot of salt so all exposed surfaces were totally covered. thus i nearly filled the hole and the sides of the wound.
after several days of close observation, the casings survived and seem healthy with no sign of any return of trich.
this seems to be well worth further investigation. i'd suggest to any interested, the next time you run into trich, give this 'salt tek' a try. i can't guarantee it will save massively contam'd casings, but if you catch it early then this method shows great promise, as my experience up until now is that most generally trich quickly returns even after surgury and bleaching. the added measure of salting the wound seems to rectify that problem nicely. it'd be great if others could attempt to replicate and verify my admitted limited observations to date.