My bp is a little over 500g now. I switched him to Weanlings when I ran out of Pups (ordered packs of both from Big Cheese). I doubled up on the pups when he hit around 450g. He'll doubtless be at 600g before I run out of Weanlings, and I'm already feeding him those every 5 days. I'll be buying frozen smalls at the local Repticon show later this month.