I bought these and color changing silicone beads from Interteck. After hanging both of them in a safe on offset magnetic clips, I concluded they are better. I have a digital scale, so for one, if it says 50 grams, it's 50.3 grams. When Interteck speaks of 60 grams, they mean 56.5 to 58 grams. Second, when safely stored from a completely dry condition, they absorb about 13 grams of moisture, while Interteck only absorbs about 8 grams over the same period. Keep in mind that I staggered them so no particular silicone pack had a sweet spot. Third, the color change appears to be more noticeable on them, more accurately reflecting their condition. Interteck changes color almost instantly, for example at 25% saturation. It won't change until it means it. I don't know why the other one has such excellent reviews. I mean it works but they are better and cheaper. Both microwaves work well at temperature number 2 on my 1100 watt setting.
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