pH Monitor Questions
Upon doing some investigation I have realized that if people can use
hobbyist test kits or test strips to monitor pH (and thereby CO2) in a CO2 injected tank, then I can use an electronic pH meter to control a solinoid valve w/o spending $350 for an electrode and $1000 for a meter. A "student" electrode (which will run me $50-$100) should do just fine providing I calibrate it regularly, and is available from the supply houses we use in our lab. These supply houses do not, unfortunatly sell inexpensive pH meters w/ low pH alarms. I know dupla sells 2 of them, but I'd like to shop around a bit. Does anybody with an automatic CO2 system have any suggestions on where to find one? Ken |
pH Monitor Questions
"Ken" wrote in message... Upon doing some investigation I have realized that if people can use hobbyist test kits or test strips to monitor pH (and thereby CO2) in a CO2 injected tank, then I can use an electronic pH meter to control a solinoid valve w/o spending $350 for an electrode and $1000 for a meter. A "student" electrode (which will run me $50-$100) should do just fine providing I calibrate it regularly, and is available from the supply houses we use in our lab. These supply houses do not, unfortunatly sell inexpensive pH meters w/ low pH alarms. I know dupla sells 2 of them, but I'd like to shop around a bit. Does anybody with an automatic CO2 system have any suggestions on where to find one? Ken You might try http://www.automatedaquariums.com/index.htm HTH |
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