ph pen calibration

[CityDweller]

Yea . I found out with the HM . You gotta calibrate the temp . Then shes bang on . Fucking weird man .

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But how long does the calibration last?

[M_C]

But how long does the calibration last?

This is a problem with many meters Anything between a couple of hours to a couple of month My Essentials meter only really needs doing once a grow (it only floats 0.1/0.2 off calibration) but others have to do theirs a lot more often... there seems to be no standardisation

[Trex]

But how long does the calibration last?

Ive been using it side by side with my new milwaukee . Holds up about 2 weeks . Or maybe yours was just fucked from the get go eh

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[CityDweller]

Ive been using it side by side with my new milwaukee . Holds up about 2 weeks . Or maybe yours was just fucked from the get go eh

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I bet the Milwaukee outlasts the HM.

[CityDweller]

This is a problem with many meters Anything between a couple of hours to a couple of month My Essentials meter only really needs doing once a grow (it only floats 0.1/0.2 off calibration) but others have to do theirs a lot more often... there seems to be no standardisation

I think part of it is old stock vs new stock. Many items that were made well are no longer made like they were. This was my HM experience. Packaging and cap changed. New meters were crap.

[M_C]

I think part of it is old stock vs new stock. Many items that were made well are no longer made like they were. This was my HM experience. Packaging and cap changed. New meters were crap.

Many people have said the same thing about Essentials

[Trex]

I bet the Milwaukee outlasts the HM.

Ohhh yes . Milwaukee is top stuff CD

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[johndoh]

is Milwaukee better than the bluelab one???
M_c was right it does have a screw to adjust.

I only put it in the water to see what reading I got to compare to when I bought it and it was .1 difference.

I would rather not skimp and have the right stuff.

I got it when I bought a bluelab truncheon so assumed it would be a good one

[Trex]

is Milwaukee better than the bluelab one???
M_c was right it does have a screw to adjust.

I only put it in the water to see what reading I got to compare to when I bought it and it was .1 difference.

I would rather not skimp and have the right stuff.

I got it when I bought a bluelab truncheon so assumed it would be a good one

I prefer them with manual calibration tbh .

But milwaukee are more affordable on our side of the pond . Bluelab are expensive here

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[johndoh]

don't mind about the cost mate just want the best will go up to £100