Thor, or should that be Zeus?

[Chaz]

Thanks for the info are you using any SP (superplasticising) like modified polycarboxylate

Yep, otherwise it wont even mix properly.

Before SP:-

https://www.youtube.com/watch?v=2IeEhFW44F8

After SP:-

https://www.youtube.com/watch?v=4KfWcawy7b4

I used too much SP but it worked well. I dont know the make I used, got it from my 'pimp' in Germany but its higher end stuff (at least, that is what he said).