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r/ReagentTesting↗

#TimeToTest on /r/ReagentTesting - supporter of Drug Checking Day

This sub-reddit is dedicated to providing accurate information about Reagent Testing drugs (and other analysis methods). Drug Testing Reagents are chemical solutions that change in color when applied to a chemical compound. They can help determine what chemical might be present in a given sample. In many cases they do not rule out the possibility of another similar compound being present in addition to or instead of the one suspected.

41k subscribers76 posts / mo in Sep 202645 authors / mosince 2013

r/ReagentTesting has 41k members (+7.0% over the last 12 months). It gets about 76 posts a month from 45 people. Top topics: Drug Overdose Crisis, Covid Testing Sites and Crystal Identification Help.

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When to post on r/ReagentTesting

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Visitors without an account can open 3 subreddit reports a day. The best time to post on r/ReagentTesting, removal risk and the rest of the report are one step away.

Size and growth

How r/ReagentTesting has grown

r/ReagentTesting

Subscriber growth

Subscribers over time

+7.0%in 12 months · +1.3% in 3 months · +0.4% in 1 month
Oct 202641k
Growing41k subscribers
Data since Mar 2018Live · through Oct 2026
r/ReagentTesting

Monthly activity

Posts, comments and authors per month

+4.1%vs Sep 2025 · −0.5% last 3 months vs the 3 before
Sep 202676
BusierPeaked at 291 in May 2022
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/ReagentTesting

Top topics

Share of the subreddit's posts

  1. Drug Overdose Crisis0.3%
  2. Covid Testing Sites0.2%
  3. Crystal Identification Help0.2%
  4. Testing Practices0.2%
  5. Identifying Guys0.1%

Brands people mention

Most-mentioned brands and sites, last 12 months

Can you post

Posting rules for r/ReagentTesting

Which post types r/ReagentTesting allows, the karma and account age it asks for, required flair, and every community rule — read from Reddit.

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Timing and removals

How often posts get removed on r/ReagentTesting

The best day and hour for r/ReagentTesting, how many posts moderators remove and which kinds, the shape of its year, and weekdays against weekends.

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What to post

What works on r/ReagentTesting

Title and body length that does well on r/ReagentTesting, and its mix of text posts, links, images, galleries and video.

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Who writes here

Who posts on r/ReagentTesting

Gender and age of the people who write on r/ReagentTesting, the countries and US states they live in, their jobs, and whether a few regulars carry the conversation.

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How they talk

What people ask for on r/ReagentTesting

Requests for recommendations, help and alternatives on r/ReagentTesting, its signature words and phrases, the brands and sites people link with counts, and the tone of the comments.

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The full report

See all of r/ReagentTesting

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research