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Matteo
Discus Hobby
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Joined: 19 May 2009
Posts: 45
Location: Deva
PostPosted: Tue Oct 06, 2009 10:00 am    Post subject: Raspuns la intrebare Reply with quote
Kh-ul e normal sa scada din cauza no3 care se dezvolta automat in apa in procesul de nitrificare.E duritatea carbonatilor si iti asigura "tamponul" impotriva acidifierii apei (scaderii ph).Din carbonati iti mai "fura" si plantele.Oricum kh 4 de la 7 e bine sa nu scada sub 3 , ca atunci trebuie sa "intervii" cu substante tampon sau schimb de apa sau sa-ti revizuiesti politica de hranire.
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