One can tell much about another's pond (without ever having seen it) when one hears that it requires PP for routine maintenance.
And one can tell much about another board (without ever having posted there) when one hears that it's members favor PP for routine maintenance.
You won't hear that kind of silly support for the indiscriminate use of PP here on 'Bito -- or on any other 'advanced' koi board for that matter.