Dan, Double Doitsu has put up 2 good answers:
1 re: his set up
2 re: small fish ...... er indoors "wanted a tiny yellow one " just for her !
the damned thing spent more time living in the bottom drains and vortex than the pond !!!
Got fed up of keep putting it back umpteen times a day, eventually just fed it in the vortex.
( growing into a nice Yamabuki Ogon over 12 inch long now ! )
As Double Doitsu says, you WILL lose any small fish / fry with a standpipe
when you flush !
Peter.
ps alright Mark ! last time I tried to get you was a pm, and you had run out,
contacted Col who put more pm's on then it ALL went down !!!
Oy and less of the mare ! a mare is female ! crazy ? very likely !
how's the fishing in next doors pond ? hee ! hee !