Gabe Posted May 17, 2012 Share Posted May 17, 2012 How long should a ph probe last? My pinpoint ph probe that is just a year old will not maintain calibration anymore. I thought that pinpoint was a quality brand, is there a better probe to use. I am using it withe an RKE. Thanks in advance. Gabe Link to comment Share on other sites More sharing options...
kriz2fer Posted May 17, 2012 Share Posted May 17, 2012 About 6 months and then they start getting unreliable Link to comment Share on other sites More sharing options...
Burningbaal Posted May 17, 2012 Share Posted May 17, 2012 About 6 months and then they start getting unreliable how much does a typical reef pH probe cost? the pH probes we use in research labs last a decade or four quite well...maybe labs buy really high-end stuff? Link to comment Share on other sites More sharing options...
kriz2fer Posted May 17, 2012 Share Posted May 17, 2012 40 bucks for a standard probe. Link to comment Share on other sites More sharing options...
Burningbaal Posted May 17, 2012 Share Posted May 17, 2012 40 bucks for a standard probe. and that's why, lab ones are more like $100-300 depending on some things (especially bells and whistles, but also how wide it is accurate (0-14 is standard, some go out to like -4 through 18) Link to comment Share on other sites More sharing options...
Burningbaal Posted May 17, 2012 Share Posted May 17, 2012 40 bucks for a standard probe. and that's why, lab ones are more like $100-300 depending on some things (especially bells and whistles, but also how wide it is accurate (0-14 is standard, some go out to like -4 through 18) Link to comment Share on other sites More sharing options...
Gabe Posted May 18, 2012 Author Share Posted May 18, 2012 Does anyone know of a quality probe with the bnc connector that will work with our controllers. I wouldn't mind spending $100+ if I can get years of service out of it. Seems pointless to spend $40 every 8 months. Link to comment Share on other sites More sharing options...
kriz2fer Posted May 18, 2012 Share Posted May 18, 2012 They have an apex lab grade probe which is around 60 bucks but it doesn't work very much better from my experience. Link to comment Share on other sites More sharing options...
Smann Posted May 18, 2012 Share Posted May 18, 2012 Sometimes they are just hit and miss, I've had them last less than a year or one that's lasted several years. BRS has a pretty good standard Ph probe for a good price, I would'nt buy the lab grade offered by reef suppliers, not worth the extra money. The neptune one I have now and the BRS are both several years old and still calibrating just fine Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.