04-10-2011, 07:03 PM
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ahhh lol. I totally flew over the 'o' when I read it the first time. I wouldn't get a bubble counter. A drop checker would be better. Even with pressurized a bubble counter is suggested, but not a requirement. It just gives you a visual measure of CO2. The proper BPS varies from tank to tank, especially if you have poor diffusion. A drop checker though gives you an accurate measure of CO2 in the tank water, but only if properly setup.