I'm also using sure champ and was going to add full tank but a guy told me stand alone would do everything so I thought I would see what everyone had to say about it
I can't say one way or the other but I'd recommend looking at what each provides. Cost is also a consideration. We're on Sure Champ now primary based on product sheets and history, and I found it hard to continue the cost difference.
We feed both surechamp and stand alone- not sure about the filling element bein that it's a liquid (I don't have a phd on that science) we feed precon for that. The stand alone may be the best feed supplement anyone has come around with yet
we used the stand alone high fat this year on our market heifer. We loved how it gave a good fat cover. The calves loved it. Plus it is better for the calves than a straight fat product.
I know the guys at competitive edge genetics swear by it. Call and ask them about the uses and any questions.