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Old 09-17-2008, 09:54 AM   #2 (permalink)
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Default Re: CO2 system suggestions for a 75gl tank

You really don't need all that stuff. The ph controller is not at all necessary and it's another thing to worry about and setup and maintain. Just get the regulator (the one in the set or the one with the bubble counter), 5 or 10lb tank (depending on space) 5lb will probably last around 6mths between fills on a 75g and don't bother with that rio reactor. It's another bulky piece of equipment you don't need. Just get a glass diffusor for $10 - $15 and put it under your filter's spray bar. The ony other thing you need is a timer (like the one in the set) so the co2 goes off at night. That's it!
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