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[APD] Re: co2 kit
S. Hieber wrote
> You can stick a CO2 line in the aquarium if you want to
> count bubbles -- so you can skip a bubble counter if you
> want. KH/pH/CO2 table is the only good way to measure CO2
> levels anyhow. bubbles just indicate if something has
> changed in the flow rate.
True, you don't need one, but they are very useful IMO for giving a rough indication of CO2 levels, once you've measured KH/pH/CO2 a number of times at given bubble rates in your system.
So why not make a Tom Barr style DIY bubble counter? http://fins.actwin.com/aquatic-plants/month.200309/msg00050.html
So cheap and easy to make. And here's a pic of mine
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