Being very old.... and easily confused.... As a contestant in this (and other) Battle(s). I think I have to update here as well as there
So,
@archie gemmill - here is an Update
Change of seed
Soil
Water (with roots excelsior)
In tent, Under Cobs, Temp 24.5c, Rh55%
Had a problem with some seeds germinating, I have replaced them with new seeds....