On 02/06/2014 13:41, David Hill wrote:
On 02/06/2014 09:04, Broadback wrote:
I have these, but sadly they are very weak and tend to split, especially
the carrying trays. Can anyone recommend a source of these please?

You could try http://www.plantcell.demon.co.uk/index.html
I don't know how many you want, but it could be worth phoning them with
your query.
Thanks for that David. I got in tough with them and they sent samples
for me to see if they were OK. They were so I have ordered some!