Does this mean you don't think I need the aeration system? What about the grass carp, bio-additives, etc?
As for the question about use...how much of a difference in maintenance if I want Koi vs bass? That is my plan now, but leaning towards Koi...
Not at all on question 1 and 2. They could be helpful. But first you need to learn about how a pond works , then decide on what you want and look at the costs.
A Koi pond is nothing like a pond with LMB. Koi are carp and will constantly disturb the pond bottom (muddy pond)while a LMB is a predator and eats other fish (so you need forage). Entirely different concepts but both require water quality.
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