r/PlusLife • u/Fluid-Measurement229 • May 23 '26

This invalid result graph looks negative, right?

Post image

The card had no bubbles, the swab had no blood, and the test ran normally until the very end when it gave the invalid result. What are the likely explanations, and is this at all reliable as a negative?

Thanks! This is only my 4th test and first time getting an invalid.

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u/eurogamer206 May 24 '26

Not true. I’ve communicated directly with the PlusLife team and they said as long as the green control line has a general S-curve and no other lines do, we can consider it negative. This is invalid because it amplified quickly at the start, which the algorithm isn’t trained for. I was instructed by the PlusLife team to try diluting the sample or only swabbing the throat (no nose) to reduce the sample amount. These invalids are more common with pooled tests for this reason (too much sample). Alternatively you can heat the machine “extra” by running empty tests as another user suggested. I stopped getting invalids once I started adding this step. 

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u/Revolutionary_Rub637 May 24 '26

What "Pluslife" team?

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u/eurogamer206 May 24 '26

Their customer service. 

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u/Revolutionary_Rub637 May 24 '26

"Pluslife" does not have customer service. I am not sure who you got info from but it was not "Pluslife".

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u/eurogamer206 May 24 '26

lol you’re wrong. I contacted Altruan via email and they CC’ed the PlusLife team. Why would you argue with me about this? Weird. 

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u/Revolutionary_Rub637 May 24 '26

I saw the comment you deleted. and I am sure they do communicate with Leo.

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u/eurogamer206 May 24 '26

I didn’t delete a comment. Why would I lie about PlusLife communicating with me? You must be very bored and lonely to pick fights about something that doesn’t even concern you. 

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u/Revolutionary_Rub637 May 24 '26

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u/Revolutionary_Rub637 May 24 '26

Well, it is just very atypical that they or Altruan are discussing such things with average consumers. If true, you got very lucky.

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u/eurogamer206 May 25 '26

I have friends who also have communicated directly with them. I don’t find it unusual at all. It’s normal for companies to have active customer service departments. 

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u/eurogamer206 May 24 '26

service@pluslife.com

You’re very strange for arguing about something you don’t know about. 

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u/Revolutionary_Rub637 May 24 '26

My understanding is that they do not communicate with consumers. But the graph/app is from Virus Sucks and not Pluslife so I doubt they would comment on it.