oh dear...water getting browner!
The filter will still have bacteria on it, so no bacteria needs to be added.
Declor will need to be added if you are on a public water supply. Water
changes need to be done regularly, about 10% of the pond every week. This
will dilute whatever is making the pond brown, chemical buildup, salt
buildup, and help to make for better overall water quality.
okay thanks!
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