Multiplying your own homemade IMO is as easy as making vinegar or pickles. The basic thing we have to do is to feed our pets, or in this case, the microbes. When given enough good food and environment, the starting population from the IMO mix will start to multiply, giving you a mass of new population in a very cost effective way. This way, you can easily sustain the IMO for longer or more uses around the garden.

Let's jump in and see how it's done.

Step 1: Prep the ingredients

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For this mix, prepare:

  • 500ml already-made IMO
  • one banana
  • 500 grams sugar
  • 7 liters of water

Basically, the banana and the sugar are the foods for our little guys. Together with the new volume of water, it will create a good environment to house the new babies.

Step 2: Mix the ingredients into the jar

Firstly, pour the starter IMO in.

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Then, you can chop the banana can add it to the mix.

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Finally, add our sugar and stir so it dissolves nicely:

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And with this step completed, we're basically done with the food + house for our new microbes!

Step 3: Offgas & harvest the IMO

As making IMO is basically similar to fermenting, it will create some CO2 gas during this process. So don't put the lid on too tightly and let it offgas every day or so. While you're at it, you can stir the mix a bit so the contents get well-mixed.

After about 5-7 days, your IMO should be done. It will then have a light sour smell. The pH of the final solution, if you measure it on a pH meter, should be around 4. And with that, the new IMO is ready for action. To keep the mix going, you can use a part of this IMO to continue multiplying it for more applications–using the same recipe or even more.

The final IMO has this beautiful golden brown color with some fuzz on top:

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Very conveniently, from this base recipe, you can ramp up the recipe to twice or triple the amount:

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Multiplying in a 5-gallon bucket 

And once you've got the hang of this, you can easily customize the foods for your microbes however you like or find available for cheap.

Alternative foods for the microbes

Instead of sugar and banana, we could also use:

  • microgreens / greens / bean sprouts
  • moringa leaves
  • banana stem

Happy feeding

Expanding the IMO population doesn't get any easier than this. We hope, with these simple steps, you'll get some ideas to keep your colony going for the long run. Happy IMO-ing and happy feeding the microbes. See you next time.

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