Agreed.
300-400grams 6qt tubs
400-1000 15qt or divided 28/32qt
1000+ 28/32 qt tubs
Biggest of big girls 41qt tubs... (I don't have any females over 2500g yet...so I don't keep any 41qt tub racks.)
Its what works for me anyways...my snakes are all ravenous feeders. Keep them dark and tight.