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Best ph meters?
- Thread starter Budshine
- Start date
Good pH meters are easy to find these days compared to the old days. The old ones, you had to have a screwdriver to adjust them. It's a good idea to spend a little extra to get a good one.
I use any pH meter that works well holds its calibration the longest and does a good job. Now I using Oakton pH meter https://www.grainger.com/product/OAKTON-Economical-pH-Waterproof-Pocket-55EP42
Heres something that may be helpful.
metertestlab.co.uk
I use any pH meter that works well holds its calibration the longest and does a good job. Now I using Oakton pH meter https://www.grainger.com/product/OAKTON-Economical-pH-Waterproof-Pocket-55EP42
Heres something that may be helpful.
How To Choose The Best pH Meter In The UK? - Meter Test Lab
Looking for the best pH meter on the UK market? Read reviews of these 6 top rated pH meters for water, soil and food that we've found online in 2024.
metertestlab.co.uk
Last edited:
Thegreengrower64
Well-known member
If you're going to be using a pH pen a lot ( as in growing hydro) then invest in a decent one. Yes you'll get cheap as fk ones from china, but they're not reliable.
My one of choice: apera.
In horticulture testing liquids when needed is important for any growing substrate.
Some of the new, cheap yellow and black models ones do not have the screwdriver adjustment and push buttons instead requiring three different ph calibration solutions. Gave up on them. Like dropping in solution and screwdriver adjust.Good pH meters are easy to find these days compared to the old days. The old ones, you had to have a screwdriver to adjust them. It's a good idea to spend a little extra to get a good one.
I use any pH meter that works well holds its calibration the longest and does a good job. Now I using Oakton pH meter https://www.grainger.com/product/OAKTON-Economical-pH-Waterproof-Pocket-55EP42
Heres something that may be helpful.
How To Choose The Best pH Meter In The UK? - Meter Test Lab
Looking for the best pH meter on the UK market? Read reviews of these 6 top rated pH meters for water, soil and food that we've found online in 2024.
Would the grainger last longer before going bad.
Oakton. I don't know because I'm still using it after 4 years. Works very well too.
When I have to get another I will get the same one I have now.
thanks all .
The most important thing to remember with pH meters is to never let the glass ball dry out. Store the meter in a real pH storage solution. Also only use a real pH cleaning solution to clean the probe and never a substitute. If you only use pH solutions and keep them clean your pH meter will last a long time.
Ca++
Well-known member
Oakton is the US branding. It's eutech here. Made in Singapore. They also come as the phtestr as mine is. It's way older than 4 years. Perhaps add 10 more to that.
A good meter shows not in it's screen resolution, but the sensor accuracy. I also like waterproof meters I can just toss in the tank, and batteries I can buy locally. The 4 little cells are not a great call, but there is always compromise. A 12v battery for your car fob is a stack of 8.
It's all about the electrode, which are said to have a 6 month life with the lid on. Or about 2 dryouts, if you leave the lid off. After this time, the reading takes longer to settle. Most better meters will have a tip you can replace. If the tip doesn't come off, it's disposable, and has less life expectancy.
These same good meters also go to other markets, where you might pay much less. Places like Ali offer you the chance to buy almost from the manufacturer, even direct, if you want a few.
I'm going to chuck in a wild card. The 6 in 1 pH/EC/Temperature meter for 40 euro's. It uses the industry standard bnc socket for it's probe. So you can buy a wide choice from cheap to crazy. This meter has a 12v psu, and probes that live in the tank constantly (which is on no use, if you don't have a tank that's always got a bit in it). It's other trick, is that you can access your pH/EC/Temp using your phone, globally. Along with history of these measurements.
This same meter can be 250 euro's if that were to make you happier. Though it's $35US plus expenses. I think Amazon do it for 75 euro's, with the addition of power outlets, powered when the pH or EC is out of range. Getting you into dosing territory. For the price of a basic meter from the local shop.
Edit: This site has a good selection of market choices, with the specs that matter published
The pricing is likely to be better on ali or tomtop, though the sellers won't be as specialised
You will almost certainly find the Oakton/eutech meters there, for maybe 30 euros
A good meter shows not in it's screen resolution, but the sensor accuracy. I also like waterproof meters I can just toss in the tank, and batteries I can buy locally. The 4 little cells are not a great call, but there is always compromise. A 12v battery for your car fob is a stack of 8.
It's all about the electrode, which are said to have a 6 month life with the lid on. Or about 2 dryouts, if you leave the lid off. After this time, the reading takes longer to settle. Most better meters will have a tip you can replace. If the tip doesn't come off, it's disposable, and has less life expectancy.
These same good meters also go to other markets, where you might pay much less. Places like Ali offer you the chance to buy almost from the manufacturer, even direct, if you want a few.
I'm going to chuck in a wild card. The 6 in 1 pH/EC/Temperature meter for 40 euro's. It uses the industry standard bnc socket for it's probe. So you can buy a wide choice from cheap to crazy. This meter has a 12v psu, and probes that live in the tank constantly (which is on no use, if you don't have a tank that's always got a bit in it). It's other trick, is that you can access your pH/EC/Temp using your phone, globally. Along with history of these measurements.
This same meter can be 250 euro's if that were to make you happier. Though it's $35US plus expenses. I think Amazon do it for 75 euro's, with the addition of power outlets, powered when the pH or EC is out of range. Getting you into dosing territory. For the price of a basic meter from the local shop.
Edit: This site has a good selection of market choices, with the specs that matter published
YIERYI WiFi Water Quality Monitor with Controller, Online pH TDS Monit
Shen Zhen Yage Technology Co., Ltd registered the brand "YIERYI" in 2016, The main products are: PH meter, Tds ec meter, Do meter, Orp meter, soil meter, refractometer. Our products are widely used in: aquariums, hydroponics , aquaculture, environmental protection, swimming pools, beauty salons...
shop.yieryimeters.com
You will almost certainly find the Oakton/eutech meters there, for maybe 30 euros
Last edited:
Ca++
Well-known member
This can be adequate in soil and coco, where the pH in the pot is the product of your input, the media, and what the plants doing to it's rootzone. I get very sloppy in soil, where I know that one day I might be low, then another high, and it's really the average that matters.
In hydro the feed pH can have a much more direct effect. Though I have used kits that measure 6 to 14 in order to set my tank at 5.8 lol
We can be a bit over analytical with pH. Meters that can display 5.884 are useless, and chasing 5.88 is a mugs game. Just a display of 5.8 is enough. Though it's nice to know the probe in use can do better. A 0.05 is pretty good. The Oakton/eutech uses a 0.01 probe, and displays to 0.0
Last edited:
Ca++
Well-known member
Most problems are rubbish probes, and poor handling. If you loose the lid, just chuck it away. Don't put it in deionised or RO water. Even if told to, just don't. There are special one's for that, that won't be killed. I trashed an eutech not knowing this. Which is stated on their website.
Ca++
Well-known member
Perhaps mine read to 7.6 as I don't really remember that end of the scale. It was from a fish shop, and must be 30 years old now. It's changed colour in the bottle, but still works. It's handy if my batteries clap out on me, and I don't want to cough for an alarm fob battery at the 24h station.
I owned mine for 4 years.Oakton is the US branding. It's eutech here. Made in Singapore. They also come as the phtestr as mine is. It's way older than 4 years. Perhaps add 10 more to that.
A good meter shows not in it's screen resolution, but the sensor accuracy. I also like waterproof meters I can just toss in the tank, and batteries I can buy locally. The 4 little cells are not a great call, but there is always compromise. A 12v battery for your car fob is a stack of 8.
It's all about the electrode, which are said to have a 6 month life with the lid on. Or about 2 dryouts, if you leave the lid off. After this time, the reading takes longer to settle. Most better meters will have a tip you can replace. If the tip doesn't come off, it's disposable, and has less life expectancy.
These same good meters also go to other markets, where you might pay much less. Places like Ali offer you the chance to buy almost from the manufacturer, even direct, if you want a few.
I'm going to chuck in a wild card. The 6 in 1 pH/EC/Temperature meter for 40 euro's. It uses the industry standard bnc socket for it's probe. So you can buy a wide choice from cheap to crazy. This meter has a 12v psu, and probes that live in the tank constantly (which is on no use, if you don't have a tank that's always got a bit in it). It's other trick, is that you can access your pH/EC/Temp using your phone, globally. Along with history of these measurements.
This same meter can be 250 euro's if that were to make you happier. Though it's $35US plus expenses. I think Amazon do it for 75 euro's, with the addition of power outlets, powered when the pH or EC is out of range. Getting you into dosing territory. For the price of a basic meter from the local shop.
Edit: This site has a good selection of market choices, with the specs that matter published
The pricing is likely to be better on ali or tomtop, though the sellers won't be as specialisedYIERYI WiFi Water Quality Monitor with Controller, Online pH TDS Monit
Shen Zhen Yage Technology Co., Ltd registered the brand "YIERYI" in 2016, The main products are: PH meter, Tds ec meter, Do meter, Orp meter, soil meter, refractometer. Our products are widely used in: aquariums, hydroponics , aquaculture, environmental protection, swimming pools, beauty salons...shop.yieryimeters.com
You will almost certainly find the Oakton/eutech meters there, for maybe 30 euros
Ca++
Well-known member
I had two, and it's 15 years ago one had a new tip because of testing RO. One I still use, and one is stored and has a problem, that might be the tip. I have a spare tip, but they don't supply them anymore. The design has changed. I think they make very few of the phtestr 10 now, in it's new packaging. Instead the 20 is the common one. The 30 is just too accurate for us.
It's definitely 15 years since that new tip went on. Which I'm still using as my main meter.
