Quote:
Originally Posted by scolley
Thanks. I run 25+, that's why I'm asking. 20 is clearly enough for plant health. And with a venturi diffusing the CO2, with a controller turning the CO2 solenoid on/off, I can sustain ANY practical level... need 75 ppm? Can do, no problem.
The question is... how high does it need to be to be an effective algaecide?
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Ouch! I was hoping you were running less than 25 ppm. Obviously you don't have too much room to move here. If you did adjust, I wouldn't go any higher than 30 ppm, and that might be pushing it as it is.
Where is Tom when you need him?
