or you could just use a hosepipe held under the water & used like a syphon if you only want to do it occasionally.

I like this idea, which I have not thought of. It is cheap and I already have a hose pipe which is not doing anything.

Thanks for your help

__________________
Bye

PT

Carpe Diem

The way I see it, if you want the rainbow you have got to put up with the rain!