Thats all I've used for all 4 batches I've made and I've had no issues, that I'm aware of at least.
Bizzle Brewing Co.
Primary1: Amarillo IPA
Primary2: Big Ben Pale Ale
Secondary2: Imperial Red Rye Pale Ale
Kegged: Green Apple Riesling, Hoppy American Wheat, Cascade IPA
On Deck: Coffee Stout, Strong Ale, Surly Furious Clone