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Thread: Who do i trust

  1. #1

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    Default Who do i trust


    0 Not allowed!
    My new tank came with a glass thermometer but i upgraded to a digital one. They are always 1-3 degrees off. Which should i trust.
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    Last edited by rookie; 02-15-2019 at 05:57 AM.
    Currently
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    23 Mbuna

    Decommissioned
    10 gallon FOWLR Cycling
    http://www.aquaticcommunity.com/aqua...ad.php?t=82475

    110 gallon planted
    http://www.aquaticcommunity.com/aqua...ad.php?t=50266

  2. #2

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    Default


    1 Not allowed!
    I would "trust" the digital one over the glass one, but for me personally, the most trustworthy thermometers are ones that I can calibrate myself.
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  3. #3

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    2 Not allowed!
    That's a weird pic of the glass thermometer. I don't even see what you're reading. Glass ones are usually pretty accurate. Is the probe for the digital one in the same place and depth as the glass one and are the batteries new? 1 degree difference isn't a big issue. 3 degrees can be a little more concerning.

  4. #4

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    Default


    1 Not allowed!
    Im still getting used to cropping the images and i took the pic quick. But the probe is close by. I have 3 powerhead and a hob with the water level low for cycling so im assuming i have good circulation. I havent changed the battery but it is a new digital thermometer so hopfully battery is ok. Mabe ill check with my multimeter one daybwhen i have time. The glass one is reading exactly 84
    Currently
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    Decommissioned
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    http://www.aquaticcommunity.com/aqua...ad.php?t=82475

    110 gallon planted
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  5. #5

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    2 Not allowed!
    You could always take the average of the two. But I would hope the digital is a bit more accurate.

  6. #6

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    0 Not allowed!
    Quote Originally Posted by SueD View Post
    That's a weird pic of the glass thermometer. I don't even see what you're reading.
    It took me a while to notice it, too. The reading is near the top, a hair past the 84*F tick mark.

    I agree with Slap. I tend to put more trust in my digital thermometers than the old mercury-filled ones. Either way, most animals have a range that they are comfortable with; nothing bad is going to happen if you don't have the temp at the "perfect" degree. As long as neither thermometer is pushing the upper or lower limits of the species tolerable range, you'll be fine. Focus more on stability than hitting specific targets.

  7. #7

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    0 Not allowed!
    Thanks everyone. Ill keep that in mind when using the digital as my primary
    Currently
    55gal
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    Decommissioned
    10 gallon FOWLR Cycling
    http://www.aquaticcommunity.com/aqua...ad.php?t=82475

    110 gallon planted
    http://www.aquaticcommunity.com/aqua...ad.php?t=50266

  8. #8

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    Default


    0 Not allowed!
    If this is you African tank, your keeping it too warm. A good temp on mbuna is 77 to 80 degrees. If you don't trust both your thermometers, get a new one. One trick if your buying it a store, is to read all of therms and compare.

  9. #9

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    1 Not allowed!
    Quote Originally Posted by fissh View Post
    If this is you African tank, your keeping it too warm. A good temp on mbuna is 77 to 80 degrees. If you don't trust both your thermometers, get a new one. One trick if your buying it a store, is to read all of therms and compare.
    Fissh my tank is still cycling so im keeping the temp up to promote BB growth then ibwill lower the temp. But im hoping im getting tward the end of the cycle soon
    Currently
    55gal
    23 Mbuna

    Decommissioned
    10 gallon FOWLR Cycling
    http://www.aquaticcommunity.com/aqua...ad.php?t=82475

    110 gallon planted
    http://www.aquaticcommunity.com/aqua...ad.php?t=50266

  10. #10

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    0 Not allowed!
    Set a glass of water by your house thermostat and check them in that after it's been out for 4 hours.
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