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July 2012
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What are fish and seaweed emulsions? How to make a homemade batch of fish/seaweed emulsion?

What are fish and seaweed emulsions?

• Fish emulsion, fish meal, seaweed/kelp meal, and liquid seaweed/kelp are some of the most powerful natural. fertilizers and also the soil amendments in the world.
• Most commercial fish emulsions are rated NPK = 5-1-1.
• Most commercial liquid seaweed sprays are rated NPK = 0-0-1.
• There are lots of important trace elements, growth hormones, disease control, and organic matter in these fertilizers.
• Fish Emulsion is mainly used for its quick high organic nitrogen.
• It is available with soluble P and K benefits as a foliar feed.
• Fish Meal is mainly a great soil conditioner.

How to make a homemade batch of fish/seaweed emulsion?

• You can use fresh fish parts or any cheap canned fish.
• The juices, sauces, or oils in the can be used.
• This is done to breed beneficial microbes and supply extra proteins in the tea.
• If you use canned fish products, you may want to let it decompose mixed with some finished compost, good garden soil, etc. in a separate closeable container.
• Keep it for a few days before using it.
• Since most canned meat products contain preservatives, this will ensure that the good microbes in the tea will not be killed off or harmed in brew making.
• You can use any fresh or dried seaweed.
• Fresh seaweed has more N in it.
• You can buy fresh or dried seaweed at most oriental grocery stores.
• Seaweed decomposes better if chopped up or liquefied first in water.
• Do it before brewing.
• If you are using fresh fish, you need to compost it separately in a 5 gallon closeable bucket.
• Fill this bucket 1/2 full with extra browns like sawdust, leaves, or straw.
• Then add molasses to the fishy mixture in order to build up microbes.
• This is done in order to speed up decomposition.
• The sugars will also help control odors too.
• Open the bucket and stir the fishy paste daily or every other day.
• Do this in order to get air in the mix for better decomposition and better aerobic microbial growth in the emulsion.
• Let this paste rot for about 1-2 weeks.
• The browns help control offensive odors and absorb organic nitrogen from the fish.
• This also ensures that it is not leached out or evaporated.
• Commercial fish emulsions contain sulfur in the form of sulfuric acid; hence add 1-2 tbsp of Epsom salt to the mix for extra magnesium and sulfur.
• To mimic the acidity of sulfuric acid, add extra trace elements like you could add 1-2 tbsp of apple cider vinegar to the mix.
• Recent studies have shown that unsulfured molasses or dry molasses powder is best for faster microbial growth in tea brewing.
• Safely take the decomposed fish paste from the 5 gallon bucket and add it to your regular hot composting piles
• You can also add it to your special compost tea recipes.
• The more vegetable or fruity organic matter that you add to fishy compost the better you remove the offensive smells.
• This will also help to add more trace elements to your compost and teas.
• You can add molasses or brown sugar to your teas also.
• Sugars are high carbon substances that not only can cause speedy microbial growth.
• Sugars are an excellent natural deodorizer.

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