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Persistent Problem Application Rate:Shake well before using. For infections that last more than 7 days after standard application, treat twice per day. Apply once in the morning and once in the evening. Do not apply as a bath application. KnockOut PLUS works best as an in-pond additive.
Preventative Application Rate:Treat daily for 7 days anytime new fish are added, during pond cleanouts, during spring start-up or any time fish are stressed.