Bottom of stems rotting

[d4rksid3]

Hi all

Just found this on three of my four plants,the first pic is the normal looking one.
the plants are 3 weeks old tomorrow.
any ideas whats caused it?

 

[DrBrutus]

Are you using cardboard as an insert? Maybe the plant was absorbing shit from the cardboard while soaking up water strapped in it.

 

[d4rksid3]

Are you using cardboard as an insert? Maybe the plant was absorbing shit from the cardboard while soaking up water strapped in it.

Yeah i thought it could be that.but i used cardboard before with no probs.i've removed them now anyway,just hope the problem doesn't continue & eat right through my stems !!!