Tomatoes with funny bums

[Pedro_The_Swift]

Every single one has green/white bottom, no broken skin.
Plant has grown very fast and needed daily watering to stop its droop..

[John_D4]

Is that a question or a statement? Is it a fungus?

[Gav 110]

Calcium deficiency
2litres of milk into 10 litres of water and spray over tomatoes
Pick off all rotten bum ones first

[Don 130]

It's blossom end rot, and yes, Calcium deficiency. I'd try blood and bone. It gives the highest available calcium.

Prevent Blossom-End Rot: Tomato Diseases and Problems | Gardeners.com (https://www.gardeners.com/how-to/blossom-end-rot/5354.html)

Don.