I will post final cost in a few months when this the tank is stable with Prodbio.
Right now at the start: based on 400 litre system and 2 week dosing cycle
The retail cost works out to 2.00 / vial
7 vials used each cycle = 14.00
OOPs I used and extra vial of Biodigest....
Last edited by fencer; 01-01-2011 at 05:37 PM.
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