How Long does Compost Tea Last After Brewing?

My plants are at different stages of growth and my watering times vary quite a bit. After brewing my compost tea for 48 hours, how long will it last? What if I continue to aerate it?

I am currently using worm casting, bat guano, aconite cap Meg, Neptune, fish emulsion, great white and molasses. I put the composts in a pantyhose. Is this efficient? If not, please help.

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Feb 02, 2012
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Saving Compost Tea for Later
by: Compost Junkie Dave

Your question about the period of time compost tea will keep after brewing is quite common. Please refer to the following links below for our past answers to similar questions.

How long does compost tea keep?

Is it possible to keep compost tea for 6-12 months?

If you continue to aerate it, you can typically get an additional 2-3 days out of the tea. However, after about the 48 hour mark, the diversity of microorganisms in your tea will steadily decrease. You can add a little bit more food during this extended aeration period but in our experience it’s much more effective to brew a new batch of tea.

Regarding your specific compost tea recipe, I am not familiar with some of the products, so it’s challenging to comment. If you send me more information on the specific brand name products you’re using, I may be able to be of more help.

Also, what types of plants are you growing?

Placing your compost in pantyhose will work, however, it’s more effective to use a compost tea bag or allow the compost to move about freely.

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