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No PH change with DIY CO2
"Rick" wrote in message ... "Jamie D" wrote in message news:RKd1a.37308$be.24572@rwcrnsc53... "Rick" wrote in message ... 50 PPM Rick 50 ppm is around 2.8dKh. At a pH of 7.6 that's around 2 ppm of CO2, which is low even for a non-CO2 injected tank. With DIY I would expect at least 18 ppm of CO2, which would give you a pH of around 6.6. Either the CO2 isn't getting into the tank for some reason, or there is something wrong with your test kits. I personally think 1/4tsp yeast is not enough, I would go with half to 1 tsp - but even so, you should see at least some drop in pH with your set-up as described. My vote is for inaccurate test kits. Jamie ~ I use the same test kit on my Mbuna tank where I buffer the water with baking soda and a bit of salt and it tests normally between 140 to 170 . I'm getting a steady stream of fine bubbles from the micro bubbler so it appears that co2 is definitely being dispensed, so I;m not sure what is going on. Rick Wish I could be more help. I use DIY CO2 in a 20 gallon and everything works just fine - only difference for me is I have the bubbles feed straight into the intake of my HOB filter. My CO2 level ranges between 18 - 28 ppm. Jamie ~ |
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