Recently I tried to cut a sheet of 4x5 film into halfs and used the film on a pentax67.I developed the film one by one using xtol.The first one came out normal while the second one came out with a green tint.I later put the one with a green tint in the selenium toner. In about 30-50 seconds,the green tint is gone.
Can someone explain to me what happened ?
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