Quote:
Originally posted by MCsaxmaster
No, with lower alkalinity the pH will be lower, all other things being equal. If pH here really is lower when the alkalinity is higher, then CO2 must covary with alkalinity in this case. Hence, the CO2 becomes significantly higher as alkalinity climbs higher, causing the reduced pH.
cj
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Since my supplementation is provided by a calcium reactor I guess I buy that. My thinking was/is the amount of alkalinity supplied by my reactor is buffering my ph, not allowing it to rise above a certain point. EVERY time my ph goes above a certain point (just recalibrated my probe - it was reading 8.6 but I know its not that high) I know my Alk is low. Now I'm not sure if its because the amount of bicarbonate in suspension is low or its the lack of Co2 in the tank.. Since CJ is working on his MS in Marine Biology I will take his word for it
