2024 All-New pH Meter for Water - High Accuracy Digital pH Tester (0.01 Precision) with UL Certification and 3 pH Calibration Powders - Ideal for Home Water, Hydroponics, Aquariums, Pools, and More

Works great, and obviously this isn't an NIST traceable lab instrument or anything, but for the price, I'm impressed. It's basically the same thing anyway. I used the calibration salts, and it was already spot on out of the box, but the only way to know that is to do the calibration. Additional calibration salts packets are available on Amazon. For those complaining that it drifts, or that it changes measurement when you move it, that's NORMAL. pH is finicky, and actually very hard to nail down and measure, so if the pH looks like it's drifting, that's because it is. Moving your solution to a new container will swing the pH as well. In a lab setting, you would calibrate every day and preferably right before measuring, maybe even after too just to be sure, and take the sample to the meter as soon as possible with minimal manipulation. The nice thing about this is I can put it directly in my tank and get a very accurate reading. For a fish tank, it's pretty good.

The 2024 All-New pH Meter for Water is an excellent tool for anyone needing precise pH measurements in various settings. With a high accuracy of 0.01 and UL certification, it promises reliability and safety for users. The inclusion of three pH calibration powders simplifies the calibration process, ensuring accurate readings consistently. Ideal for applications such as home water testing, hydroponics, aquariums, and pool maintenance, this digital pH tester caters to both beginners and experienced users. Its compact design and easy-to-read digital display make it practical for on-the-go testing. The pH meter's responsive sensor provides quick, reliable results, benefiting those managing delicate water conditions. Overall, the 2024 All-New pH Meter offers a great balance of precision, ease of use, and added convenience with its calibration powders. This tool is a valuable addition for anyone needing dependable water testing.

I bought this item on amazon Jan 17th and received it a few days later. Following the calibration instructions, the ph meter would not calibrate. I exchanged it with Amazon for a new one. Received it a few days later and this one would not calibrate either. I called Vivosun and waited 4 hours for them to call me back. The caller hung up before my wife could get me on the phone. I called them back and waited about 10 minutes to speak to another person, who stated that the meter comes fully calibrated from the manufacturer and if I was having trouble with it, I needed to buy another solution to calibrate the meter. I asked him if they could replace it and he took my email information and said it would take about 24 hours for me to get the email and someone would help me at that point. I asked to speak to his supervisor, I was placed on hold for about 5 minutes, he came back on the line and told me that his supervisor was unavailable and I would have to wait for the email. I have spent 100s of dollars with this company and this is the best they can do? I highly recommend others picked a different ph meter do to the faulty state of this device and the companies customer service just sucks.

Long period to stabilize. Some times just turns off before stabilized, then you must start over. Might be better devises available. Litmus paper works as well.

Works well. As accurate as my Taylor test kit but 10x faster so I can check pH daily with ease.Found best way to use is put a bit of water in cap and dip til it overflows and read it. In moving water the reading jumps around but in the cap it’s stable.

This I a very handy meter to have. It is accurate and I really like the backlit display. It is very easy to calibrate. I really like this for use with my aquariums. Highly recommend

Just got delivered and suspect our water was acidic. Faucet water is 6.7 from averaging readings as it changes every second and doesn't just stop on a #. Filtered fridge water is 6.3, again guessing. I wish it just finalized a number. Swirling it causes numbers to change but just resting it in the cup does the same. I like the digital readout. And directions for calibrating when needed altho lengthy I hope makes sense when the time comes. Giving it 3 stars due to the inconsistency of readout and guessing where it actually is.

Easy meter to use. My only complaint is that it takes a few minutes to get the final read, but it seems to be working fine. We tested the calibration against our well maintenance company's meter, and there were no descrepancies at that time. I'm very pleased with it, and the price was very reasonable.