All 5 of my hatchling Cal Kings from 2006 were taking f/t pinks. I ran out, both local pet store and petsmart were out, and my rodentpro order hadn't arrived yet - so I gave them all live for a feeding (all except one that had aleady been gifted).
Two of the remaining four did not take f/t after that. They would take live, but if I offered them f/t it was still there in the morning. I could put in a live w/ a f/t and the live would be eaten. Put in another live and the additional live would be eaten. They just reject the f/t (and I even warm them - so it wasn't that)
One of the two is now in Oregon with a keeper who breeds mice and uses live anyway, the other is with me.
Today, after about 10 weeks or so of not even trying f/t, I offered her a f/t fuzzy - and she took it 
Hopefully she continues to do so in the future and never needs to take live again.
I still have to convert a little 2006 neonate cal king (caught in spring this year) and I don't think my oldest cal king will ever be converted - he moves them but will not eat them (he will eat fresh killed but has no interest in f/t).
But anyway - I'm very glad she went back to accepting a f/t.
Lesson learned - if f/t is the goal, don't run out 
Adults that take f/t seem to have no problem taking live and then f/t again, but with two of my babies - that just wasn't the case.
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3.6 L. getula californiae - 18 eggs (Cal. King)
1.1 L. getula nigrita (MBK)
1.0 Pantherophis guttatus guttatus (Corn)
0.1 Pituophis catenifer catenifer (Pacific gopher)
3.3 Elgaria multicarinata multicarinata (Cal. Alligator Lizard)


