chappy6107 Posted January 8, 2017 Report Share Posted January 8, 2017 can anyone link me to a ph meter they use and trust? the one i use has to be recalibrated every time I use it (~1 time per week). I dont mind recalibrating, just once per week gets expensive. Quote Link to comment Share on other sites More sharing options...
dao Posted January 9, 2017 Report Share Posted January 9, 2017 I have bought those cheap yellow ph meters which are all over Amazon. They measure roughly ok without recalibration for quiet some time as long as I rinse the probe in ro water each time I use it. The other thing I need to do is soak it for a minute or two in ro water before measuring tank water to get a quick and accurate measurement. I do use two of these to compare results. Other than this obviously the Hanna ph meters are very good, but these are professional devices and are very expensive. Never heard anything about devices in the in-between price range. There are some two-point calibration meters with decent prices, and in theory they should be better than these cheap yellow ones. But never used one or read anything how good or bad are they. Shrimp Life 1 Quote Link to comment Share on other sites More sharing options...
chappy6107 Posted January 9, 2017 Author Report Share Posted January 9, 2017 I will try soaking it in ro prior to use. I have not done this and hopefully it will do the trick. Thanks for the tips! Quote Link to comment Share on other sites More sharing options...
Shrimple minded Posted January 10, 2017 Report Share Posted January 10, 2017 I use American Marine Pinpoint pH monitoring, consider it very reliable. DETAquarium 1 Quote Link to comment Share on other sites More sharing options...
chappy6107 Posted January 10, 2017 Author Report Share Posted January 10, 2017 2 hours ago, Shrimple minded said: I use American Marine Pinpoint pH monitoring, consider it very reliable. the unit with a probe that you leave in the tank 24/7? I have seen those before but never had the opportunity to use one. Quote Link to comment Share on other sites More sharing options...
Shrimple minded Posted January 10, 2017 Report Share Posted January 10, 2017 Yes, it can provide constant pH monitoring, and has a really long cord for the probe if you want to test other tanks. Quote Link to comment Share on other sites More sharing options...
DETAquarium Posted January 10, 2017 Report Share Posted January 10, 2017 12 hours ago, Shrimple minded said: I use American Marine Pinpoint pH monitoring, consider it very reliable. I use the same pH monitor, much better than any meter I have used thus far. I got mine originally from Premium Aquatics. Quote Link to comment Share on other sites More sharing options...
DA SHRIMP KID Posted January 11, 2017 Report Share Posted January 11, 2017 I have a Milwaukee ph probe . Worked great for several months than the probe goes bad a new replacement isn't cheap around $60-$70 . Therefore I wouldn't recommend that one. This one you leave in the tank as well (model - SMS 120 ) Quote Link to comment Share on other sites More sharing options...
plamski Posted February 20, 2017 Report Share Posted February 20, 2017 On 1/10/2017 at 8:06 AM, DETAquarium said: I use the same pH monitor, much better than any meter I have used thus far. I got mine originally from Premium Aquatics. Nobody can beat this one. have 3 for years already. DETAquarium 1 Quote Link to comment Share on other sites More sharing options...
chappy6107 Posted February 21, 2017 Author Report Share Posted February 21, 2017 I ended up getting a used reef keeper and bought an American Marine Pinpoint ph probe to use with it. so far it has been great. I trust it much more the the handheld pen I was using before. Quote Link to comment Share on other sites More sharing options...
jessaweeshrimp Posted May 6, 2017 Report Share Posted May 6, 2017 As far as pens go Oakton pH 30 is a very stable 3 point calibrated battery powered unit with AutoTempCompensation that measures to the hundreth. Double junction probe too. The King of pens IMO and experience thus far Quote Link to comment Share on other sites More sharing options...
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