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FermagraF°™ Adhesive LCD Thermometer

$3.99

SKU# 41990

Flat Rate Shipping only $7.99 only from Northern Brewer
FermagraF°™ — the newest innovation of thermometers. Round for easy placement on the Big Mouth Bubbler® or your fermenter of choice.
  • Bright blue color is easy to read at a glance.
  • Includes temperature ranges for beer and wine styles.
Total:
$3.99

Availability: In stock

FermagraF°™ Adhesive LCD Thermometer

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  • FermagraF°™ Adhesive LCD Thermometer
Product Details
Keep your fermentation on track with the FermagraF°™ — designed to adhere ​to​ your Big Mouth Bubbler® fermentor or other​ fermentation vessel. This thermometer uses liquid crystals to indicate temperature within ±2°F ranging from 46°F to 84°F. The new circular design is meant to keep the information you need in one compact space so that you can quickly read your fermentation temperature at a glance.

In addition, the FermagraF°™ has clearly marked fermentation temperature ranges for Lagers, Ales, and Belgian Ales, and your Red and White wines so that you can always ensure that your yeast is kept nice and comfy.

Dimensions: 3" x 3"
Additional Information
Support Documents:No
Reviews
3.6 / 5.0
20 Reviews
5 Stars
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I attached this in the lower half of my glass big mouth bubbler. The temperature readings are unreadable I was just about to pull it off when my wife pointed out that it could be read with a flash light pointed direcly at it. I have used other styles of stick on thermometers before that were very easy to read. I do not recommend this one.
User submitted image
Added Mar 27, 2018
March 27, 2018
Purchased
1 month ago
Too Dark to Read
I bought two of these to stick onto my plastic fermenters. Previously, used one of the "ruler" shaped models but it had peeled off after repeated washing.

The Fermagraf sticks on fine and has reliable temperature readings. It has a major flaw because the numbers are too dark to read. You must shine a bright flashlight on the degree numbers to figure out which one is just slightly brighter than the others and displays the temperature you are looking for.
I would not buy this model again.
March 9, 2018
Purchased
3 months ago
Easy to read
Works well on my one gallon jugs without wrapping halfway around.
March 6, 2018
Purchased
1 year ago
Fermenters Favorites = cheap knockoff
For $4 you'd hope this would do something simple like show the temperature of the liquid in the carboy. Alas, no. When I rub my finger over it I can coax a number out that disappears again a moment later. The ones they used to sell were a $1 less and worked. Such a shame this seems to be the new normal.
December 27, 2017
did not work
attached to the side of my glass fermenter then added my wort and no numbers became visible. Its been 3 days now and still no temp is being displayed.
October 11, 2017
Response from Northern Brewer
Sorry to hear that it is not displaying the temp, if you would like to give customer service a call we can get you a replacement.
October 13, 2017
William RStaff
This thermometer works good. It's accurate, easy to attach, & doesn't fall off when I wash out my little big mouth bubbler. The only thing that I don't like about it is it's a little hard to read. Especially when you're trying to read it at an angle, or when it's in a partially lit room. Overall it works great.
September 12, 2017
Purchased
8 months ago
It does the job
It's an external stick on thermometer. It does what it's supposed to do.
July 31, 2017
Purchased
9 months ago
Works as advertised on a little big mouth bubbler.
July 10, 2017
Purchased
10 months ago
Not very impressed
I bought these in hopes that it would help me monitor the temp. They do not illuminate bright enough for you to see the temperature you have to get real close and look at them at an angle
June 23, 2017
Purchased
11 months ago
Poorly Designed
This thermometer doesn't display the temperature without rubbing it first. I'm glad I only bought one when I needed three. Too bad NB doesn't offer a choice of the time proven strip thermometers that have always worked and continue to work as they should.
June 4, 2017
Purchased
11 months ago
Q&A
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Browse 6 questions Browse 6 questions and 11 answers
Inside fermenter or outside?
A shopper on Jan 13, 2017
BEST ANSWER: outside. i put mine on my plastic bucket primary fermenter. Not incredibly useful during chill stage because i submerge the bucket in an ice bath, but decent to monitor temperature during primary fermentation area.
After this is applied to the fermentation vessel, can it be removed and re-applied, for example for cleaning?
Or, can this thermometer withstand cleaning and sanitizing multiple times?
H E on Aug 4, 2016
BEST ANSWER: Yes, this is applied directly to the outside of the fermenter. It is not designed to be removed. You can wipe it clean and sanitize it repeatedly.
The description says it is designed for the Big Mouth Bubbler. I am assuming they are referencing the larger 5 and 6 gallon fermenters. How well does this fit on the small one gallon fermentors?
S B on Jul 22, 2016
BEST ANSWER: It fits great on every big mouth bubbler design. The little BMB has one large flat space that can accomodate this circular 3"x3" sticker.
Will it work on the plastic bucket that comes with the fruit kit?
Jose Luis A on Mar 27, 2018
BEST ANSWER: I would imagine it would, although plastics doesn’t conduct heat nearly as well as glass, so I would think it would take longer for the thermometer to register a change in temp.
I have the FermagraF°™ attached to my Catalyst fermenter. Will it stay on, if I run it through the dishwasher?
A shopper on Dec 5, 2017
BEST ANSWER: I do not think the thermometer will survive very many trips through a dishwasher. The adhesive “might” but likely won’t work. I hand wash anything I’ve put one on.
Why is this stick on thermometer reading a constant 84 on my glass carboy primary and my electronic read 67?
A shopper on Sep 16, 2017

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