Thanks!
I will check out the pump!
Yeah, I have done the low-medium-high fertilizer in the pond, and it works ok, but most times I don't use it all up, and then have to pump it all out the door. My little parrots like to play under the pond waterfall and I can't leave any fertilizer in there, and my quail drink up anything on the floor and I worry about poisoning them.
Seems like I just create problems for myself, with the little ecosystem I have going on in there...
Carolyn