sulphur smell

I just started trying to make ciders recently. The first couple batches that I tried have had a overwhelming sulphur smell coming from them. I've added Yeast nutrient to each of the brews. I'm currently using Safcider AB-1 as my yeast. So far, I haven't had any luck with any of the batches...

quick question about star san - I just used star san today for the first time - I mixed up a 5 gal batch and since it was the first time using it, I used black latex gloves. I cleaned 24 22 ounce bottles, but there seemed to be a sulphur smell emanating from the batch of star san. I read on...