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Old 01/27/2019, 04:54 PM   #41
Registered Member
Join Date: Feb 2010
Posts: 44
i think that i need help. the cyano is spreading.
my levels are
no3 -5
po4 - 0.04

What can i do?

Should I add zeolites?

I dosify the following:

Probio s 3 drop all days
-NPro 3 drop al days

I have 1 L of matrix

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