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rex griggs
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  1. General Planted Tank Discussion
    Hi, I tried looking this issue on several forums and have found no solution. I'm fairly new to injecting pressurized CO2 into the tank and I just installed a homemade Rex Grigg reactor. However, water appears to be stuck on the CO2 tubing and it's not budging. I have a dual regulator with a...
  2. Equipment
    I've got a Fluval 406 that feeds water into a 28" long, 2" diameter Griggs style CO2 reactor. I currently run my CO2 at ~6 bps. I've been getting a nice pH drop, but I've begun to notice small bubbles exiting the output of the filter into the tank (75g). The obvious issue is the flow is too high...
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