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The Practice Kit

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Practice first! Use the temperature strip and learn how to use the right amount of heat activator or a heat pad to get your synthetic urine up to the ideal temperature. Kit includes: 3oz mixing container, easy to read temperature strip, and our heat activator powder.


Thousands of Clear Choice customers each week ask the best way to heat their Synthetic Urine Kit. They wonder how to use the heat activator powder and if they should use the heat pad with or not! Well, the brains at Clear Choice have solved another problem.

Now available, The synthetic urine Practice Kit designed especially for your Sub Solution synthetic urine Kit or Pre-mixed Quick Luck Kit.

First time or a dab hand at using synthetic urine? Either way, each time can be slightly nerve-wracking. Clear Choice once again has the perfect solution!!

The practice Kit includes:

  • 3oz Mixing Container
  • Easy-to-read temperature strip
  • Heat Pad
  • Heat Activator
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It is more likely that your solution is either too hot or too cold. Either way it will not show any indication.
"Take out the heat activator powder and gently tap the vial to loosen the powder. Carefully pour about 1/8 of the powder into the vial's cap, then add it to the urine. Do not pour directly from the vial into the urine! It's very easy to overpour if you do this. Put the cap back on the urine, shake it gently for 10-15 seconds, then check the If your starting temperature is low you may need to use the complete vial, but still add gradually **Please be aware** If your temperature strip is not showing a reading, it means your solution is TOO HOT or TOO COLD"
The heat activator will work almost instantly. We suggest giving it about 5 -10 seconds to fully react before adding more heat activator.
The heat activator will not hold the temperature, it will only bring it up to temperature. For this reason it is best that the heat activator is used as close to the time you’re ready prank. In cold temperatures, it may take longer for the urine to reach its ideal temperature. Warm weather = fast heating, Cool weather = longer heating time required. Plan accordingly.
Once activated the heat pad will barely feel warm to the touch and this is perfectly normal as the heat pad in combination with your body heat will raise the urine to its ideal temperature within one (1) hour. This is not the type of heat pad you would use in the snow, it will only feel very slightly warm to ensure your solution is not overheated.


  • Fill the container with room temperature water up to the fill line.
  • Check the temperature of the temperature strip. If the temperature is not in the optimal range of 94°F - 100°F use of the two methods provided:

A) The Heat Pad - Open the packaging and remove the paper backing from the sticky side. Apply the heat pad directly to the bottle on the opposite side to the temperature strip. Allow up to 1 hour for the heat pad to warm up.

B) The Heat Activator - If you do not see any temperature reading carefully add 1/3 of the powder into the mixing container. If the temperature indicates 82°F - 92°F add 1/4 of the powder instead. Tighten the cap gently, shake and wait 15-20 seconds before taking a new temperature reading.