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Soil Amendments

Q.I’ve Stored Some Chopped Seaweed For 3 Months In Semi-sealed Black Plastic Bag. Is It Fit To Use On The Garden? It Smells Off

Zone Western Scotland’s, Highlands. Fort William | gilloram@btinternet.com added on January 21, 2020 | Answered

I wonder if anaerobic bacteria has developed. It’s slimy and has a strong smell of both the sea(as expected) and of something rotten. I don’t think a picture is needed.

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Certified GKH Gardening Expert
Answered on January 21, 2020

If it smells rotten, then I wouldn't recommend using it.This could introduce some soil infections that may be very difficult to get rid of.

It is best to freeze, or compost for long term storage. Unfortunately, I do not think that it would be a good idea to use this batch.

These articles will offer some useful information: https://www.gardeningknowhow.com/composting/ingredients/composting-seaweed.htm




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