No, one campden tablet is about right for a gallon of must, contributing
150 ppm total SO2. And I wanted to be heavy-handed this time since I was
concerned about wild yeasts in last year's batch.

wrote:
>
> I don't use campden tablets but I thout each tablet was good for 5
> gallons of wine. I think you added 10 gallons of sulfite into 2
> gallons of must. If you added yeast nutrient, I would say that the
> campden tablets are your source of H2S.
>
> On Aug 29, 2:37 pm, wrote:
>> I don't use campden tablets but I thout each tablet was good for 5
>> gallons of wine. I think you added 10 gallons of sulfite into 2
>> gallons of must. If you added yeast nutrient, I would say that is your
>> source of H2S.
>>
>> On Aug 29, 11:17 am, Marshall Jose > wrote:
>>
>>
>>
>>> I picked and froze blackberries from a neighbor's plants, and when I had
>>> enough (about 3kg) I prepared my must for the primary. After crushing
>>> the fruit I added the usual things, including 1.5 tsp of yeast nutrient
>>> in the form of food-grade urea. I also sulfited with two Campden tablets
>>> primary must, which by this time was nearly 2 gallons. This sat for 24
>>> hours.