I have a dedicated whole house filter on the pond (chlorine filled water
here in TX) that is hooked to my sprinkler system main-line ($30). It runs
through a pressure reducer ($4) and into a stock tank float switch ($12).
This is attached to my first settling tank (a used horse water barrel).

Makes for a nice slow refill. Keeps from shocking the fish. You want to
avoid any mass water changes.

Jim


"RedForeman ©®" wrote in message
...
i'm debating the pond thing, the wife is bouncing off the walls hoping it
comes thru...

water changes and auto fills came to mind... do ponders just pull over the
hose and add water or do they incorporate a top off valve in the system
somewhere, and if so, where? at the trickle filter?

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