just rung the vet there going to ring back the algae was around the edge of the trough walls and the water was stinking.. thanks for your reply so quick much appreciated
just spoke to the vet she has said just keep an eye on her make sure she doesnt loose conciousness un rousable check for excessive salivatation currently she is looking ok if you whistle she wakes up but doesnt come to you just looks so she might just be feeling sorry for herself... thanks for your help rob