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E Lewis
Reviewed in the United States on March 9, 2023
As with any pH probe, use is more suited for slightly alkaline or acidic water solutions than strongly alkaline or acidic chemicals. Doesn’t replace pH indicators for titrations. Somewhat slow to stabilize reading. Suitable for the purpose at reasonable price.
William Rich
Reviewed in the United States on December 19, 2023
I really really do not like having to give negative reviews, but this pen was pretty much useless. First off, the batteries it came with were dead within just a few minutes so I had to replace them with batteries from an old pen that no longer read correctly. Secondly the readings just bounce around constantly in roughly a .3 range. Say like if you've got a solution of 7.0 it'll bounce between 6.8 and 7.1 and never settle on a set number. Also, if you hold it in your hand it completely changes the reading. If it's clipped to the bucket and reading the 6.8-7.1, then if I put my hand on the meter it reads 5.2-5.5. So which is right? The reading I get with the meter in my hand or the reading I get with it clipped to the bucket? I can't use something like this. It's awful.
db
Reviewed in the United States on July 12, 2021
This is my second purchase of this item (I stepped on the first one, oops). I tried several other meters and this is by far the best.Unlike similar pH meters, this uses a screw to calibrate. So you get the most accurate reading over the widest dynamic range. Not so with meters that have you press a button to calibrate (less accurate, less range). And this one comes already calibrated (for pH ~ 7).Would have been 5 stars but it doesn't shut itself off. Replacing batteries costs more than the item itself.
Customer
Reviewed in the United States on September 25, 2017
The first 3 weeks, this pH tester was awesome. It worked better than my $50 pH tester. But then somehow water got into the unit and it quit working properly. I think the water got in at the hole in the unit to adjust the calibration. Not sure if I would recommend? It worked well, but I do feel that a pH meter should be water safe, and this unit was not.
G
Reviewed in the United States on August 6, 2017
I recently replaced this pen after I dropped it in the water I was testing! It still works (but is not waterproof)! I just wanted a backlight so I purchased a new pen. The new pen I got did not come with a battery or buffer calibration powder like this one does. This pen works faster and comes with everything you need to get started on taking readings. Great Value!
vuong van
Reviewed in the United States on August 11, 2017
This pH reader is simple to use. Wish it had an auto shut off function as I accidentally left it on overnight and it never shut off. Still working. Will keep this updated on time.I chose this for 1 simple function, to read pH levels so I did not want to spend too much on this device. I don't know how accurate it is but my plants are still thriving from a 5.9-6.5 pH
P. Stevenson
Reviewed in the United States on May 13, 2017
This product was supposed to be factory calibrated. When I received it, I tested my pond water (which was at 6). This tester showed the water at 8.4!In addition, the directions tell you to calibrate the instrument -- obviously because they know that they lied in telling you that it was factory calibrated -- and: 1) the directions require you to use distilled water (not provided): and the directions are incomplete/make no sense. This instrument is obviously made in Asia (because it's cheaper), and so they skip steps (like calibration!). But, worse, they draft instructions in whatever their native language is and then have someone translate it into "English." If you've ever visited an "Engrish" website, you'll know how well this works out!
Zachary Reed
Reviewed in the United States on December 27, 2017
So one can not say how amazing 123cityfarmer is! I had bought this ph meter and shortly there after broke the probe in my water, ultimately rendering it useless so I get on and ordered a more expensive unit! And without hesitation or my knowledge cityfarmer sent me another one of thiers! So lets get to the actual review of the product, it is compact and mine was accurate out of the box. Be gentle and careful of the glass probe be sure not to hit anything with it and it will last.
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