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Microbiometer Test Kit

Your soil is alive—but how alive is it? A single handful of healthy soil contains more microbes than there are humans on Earth. These tiny organisms form a vital partnership with your plants, making microbial biomass the single best measurement of soil health.
Here is how you can measure yours instantly, affordably, and accurately.
Meet the microBIOMETER® PRO

$ 390.50 $ 390.50
$ 355.00
(Tax included)

The microBIOMETER® PRO is the ultimate tool for analyzing total microbial biomass and the fungal-to-bacterial ratio in compost and any soil-based growing medium.

  • Fast: Get accurate estimates in just 20 minutes.
  • Affordable: Costs only 10% of a traditional lab test.
  • Connected: Results sync instantly to your phone, tablet, and the cloud.

Microbial biomass rises and falls naturally throughout the year. Tracking this dynamic flux over a season is the key to managing a truly healthy soil ecosystem.How to Understand Your Results

Microbial biomass rises and falls naturally throughout the year. Tracking this dynamic flux over a season is the key to managing a truly healthy soil ecosystem.

Microbial Biomass LevelWhat It Means Relative to Other Samples
Under 200 µg/gLow activity
200 – 400 µg/gFair health
400 – 600 µg/gGood fertility
600+ µg/gExcellent soil vitality


Test Anywhere in 4 Simple Steps

The process is so straightforward that you will only need to read the instructions once:

  1. Mix: Shake sifted soil in the reagent solution for 30 seconds.
  2. Settle: Let the mixture sit for 10 minutes.
  3. Drop: Place 3 drops onto the test card.
  4. Scan: Capture the card with the smartphone app for instant, archived results.

Refill kits are available.