What ph pen would you recommend?

**Danuk** · 05-01-17, 01:15 PM

I bought a ph pal plus pen for 40quid, went mid range instead of a cheap one of eBay and after 4 months it can't seem to hold its calibration always giving me different readings. I've been considering getting a blue lab one but I've read some people having bad experiences with them, I just wanted to know what everyone else was using before I did.

**M_C** · 05-01-17, 01:16 PM

Blue Lab or Essentials would be my first choices (in no particular order)

How often are you calibrating your pen?

**joker_the_smoker** · 05-01-17, 01:17 PM

what he said /\ /\

Bulls · 05-01-17, 01:19 PM

What M_C Said.
Essentials is a cheaper option than the BlueLab. I've got Essentials. Works perfect!

**kbag** · 05-01-17, 01:19 PM

I have had 2 essentials ph pens both have done a good job. They do need calibrating every now and then and even if they do not it's a good idea to check them weekly. first one i had it was 2 year old so just decided to get another.

**M_C** · 05-01-17, 01:23 PM

The Essentials PH pen I have drifts about 0.1 +/- in about a month but I know of others that need calibrating on a weekly basis, so as kbag says, check them weekly!

**Danuk** · 05-01-17, 01:34 PM

Originally Posted by M_C

The Essentials PH pen I have drifts about 0.1 +/- in about a month but I know of others that need calibrating on a weekly basis, so as kbag says, check them weekly!

I can calibrate it daily and even 30 seconds after is .1-3 too high or low, it will only calibrate to ph 7 not 4 aswel.
What kinda maintenance do you do to it and how do you store it? I didn't store mine in any liquid so I've read that's probably broke it

**redisiel** · 07-01-17, 11:10 AM

Originally Posted by M_C

The Essentials PH pen I have drifts about 0.1 +/- in about a month but I know of others that need calibrating on a weekly basis, so as kbag says, check them weekly!

Exactly the same here.
I wouldn't buy anything bluelab digital again but the truncheon is still good after 2 years
Atb
Redz

**M_C** · 05-01-17, 01:38 PM

Oh! That's not good

As long as you are correctly calibrating the device then it sounds like it has a fault

The essentials pen only calibrates to 7 but I also have a bottle of PH 4 which I check it against too

Bulls · 05-01-17, 01:45 PM

Originally Posted by M_C

Oh! That's not good

As long as you are correctly calibrating the device then it sounds like it has a fault

The essentials pen only calibrates to 7 but I also have a bottle of PH 4 which I check it against too

I am sure you can calibrate the Essentials pen to 4 as well.. I think Once you hold the CAL button and it starts blinking you need to press it again to choose between 4 and 7.

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