20 Inch Compost Thermometer (FG20P)

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20 Inch Backyard Compost Thermometer: This is the basic standard thermometer used by backyard composters, sold at the Humanure Store. 

Free shipping in the continental USA (Alaska and Hawaii not included).

Bundle this thermometer with a Humanure Handbook for $45 and free shipping.

  • $28.00
  • Weight
    1 lbs
  • SKU

All welded stainless steel, hermetically sealed 1.8 inch diameter polycarbonate lens, 1 year warranty, accurate to plus or minus one degree. Every serious backyard composter should have one of these Reotemp compost thermometers. This tool will allow you to monitor the temperature of your compost pile.

NOTE: The probe guard and handle do not fit the 20 inch backyard thermometer!


Here are all of our compost thermometer sizes:

20 inch Backyard

Heavy Duty: 24 inch, 36 inch, 48 inch, 60 inch, 72 inch

Heavy Duty Digital: 24 inch, 36 inch, 48 inch, 60 inch, 72 inch

Super Duty Fast Response:
24 inch, 36 inch, 48 inch, 60 inch, 72 inch

Super Duty Fast Response Digital:
24 inch, 36 inch, 48 inch, 60 inch, 72 inch

CALIBRATING A THERMOMETER: Check the thermometer in an ice bath instead of boiling water, since the thermometer only goes up to 200F and boiling is at 212F. Instead, check for calibration at 32F. If it is off when placed in ice water, you can turn the calibration screw on the back of the dial up or down to get it to 32F. Then you will be back within 1% accuracy.

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