So the temp strip on my bottle of QF doesn't appear to work...

I have a test tomorrow morning, so I've wanted to heat and practice stowing my bottle of QF so I was good to go tomorrow morning.

I heat it in the microwave for 10s, stopped, then another ten (it bubbled slightly at the end), but when I removed it, even though the bottle was quite warm, the temp strip read black.

So what is the best, cheapest way to work around this? Get a digital thermometer?

Just want to make sure I'm good to go - it felt quite warm, and my plan was to take it out of the microwave, rubber band the heating back to it, and stow it between two pairs of boxer briefs.

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I heat it in the microwave for 10s, stopped, then another ten (it bubbled slightly at the end), but when I removed it, even though the bottle was quite warm, the temp strip read black.

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Sounds like youve overheated (bottle temp over 100 dg). Simply let the bottle cool down until you see the green indicator on the temp strip.

I agree. Sounds like it was too hot. Pour the quickfix into another clean container (make sure no sunlight around) and practice with water. I could get 100 degree "sample" to practice with straight from the tap, no microwave required!

I got a childs temp strip at walgreens for about $2 if your temp strip still fails to work.