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Trickle filter & nitrate
Hi Aquatic Plant People,
my name is Endre and live in Hungary, Central Europe and apologize for my
poor English in advance. I've been reading Your mails for months, but
haven't written anything yet. On one of the aquatic topics in my country
came up a question, but nobody could answer it. How can trickle filter
decrease nitrate level in the tank or can it do at all ? I would be
pleased if You could answer.
Best regards,
ENDre
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