ΝΟ3 0 ????
Πότε έκανες τελευταία αλλαγή νερού και πόσο ?
Μήπως αυτό είναι η τιμή της αμμωνίας (ΝΗ3/ΝΗ4)?
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Ιωσάς
Wise men talk because they have something to say; fools, because they have to say something.
I guess Ill always be a soldier of fortune....
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