4st Aquarium Thermometer Strip, Zelfklevende Temperatuur Sticker Aquarium Thermometer Aquarium Sticker Aquarium Test Strips Aquarium Thermometer Stick on voor Brewing Aquarium

The thermometer is too small resulting in the numbers being extremely hard to read. I have some of the same style for a lower temperature range and I can read the numbers from a few feet. I am using thermometers attached to beer fermenters to monitor the temperature. Not very good for this use

Accurate , put in a cooler, fridge and a car, all read about accurate

Very accurate, good value

These work fine for giving an indication to temperature range and I've specifically got these for both an aquarium and for home brewing (that I'm yet to make a start on)They stick on nicely and within a few minutes the temperature was displayed with the blue, green and brown indicators showing. Green being the ideal target temperature.Now I'm not entirely sure if these last forever as I had an old one on my aquarium and it simply stopped working after around 10 years (not a bad lifespan to be fair).The old one is also literally impossible to remove! I've stuck this next to the old one.The price is very good at just £3.49 for a pack of 4 as I've seen these for about £1.50 each in pet shops and they're identical.The temperature ranges are given in both F and C.Compared to a digital temperature monitor the temperature shown on these are identical to the temperature gauge so I have faith that these are reliable and accurate.Easy to stick onto the glass of my fish tank and equally sticks to the plastic of my brewing tub they're also easy to read.

You get four stick on thermometers in the pack. They stick really well and pretty much give you an instant temperature readout that's easy to read. There's not a lot more you can say about these, they do exactly what it says on the tin.