Update.
Yesterday marked 3 weeks of the rats being home and OMG have they grown! They're roughly 6-7 weeks now and nice and solid.
Splat is super tame and confident and will popcorn around the cage when she sees me. Never seen a rat so happy. Inky also popcorns but not to the same extent. She too likes my company. Not as comfortable in the open though but that will come.
Time for an upgrade soon. Settled on the savic empire zeno 3. I'm going to stack it on top of the savic plaza which they're currently in.
Also going to upgrade their 11" wheel to a 14"-16" wheel.
Splat now weighs 123g and Inky 135g! They're doing well
https://youtu.be/bseOelEZMsw
It's wet cat food mixed with spirulina in the bowl. High in protein so perfect for this stage of their lives.