It’s an organic, liquid fertilizer that is safe to use around pets and kids. After straining out solids, sulfuric acid is added to lower the pH, preventing microbes from growing. 9 Reasons To Use Fish Emulsion, Like Alaska Fish Fertilizer. What are the Benefits of Fish Fertilizer? I have tried it, it's hard to tell if it made a difference (except for the SMELL). The fish emulsion I use has a npk ratio of 5-1-1. Long term use fish emulsion fertilizer can produce a large number of earthworms, make it loose fertile soil, improved the soil ecological, can make it hard to use in the soil nutrient elements form (slowly) into a usable form (available), increased the soil fertility. You have the option of using fish emulsion on its own if it is diluted with a fair amount of water. Fish emulsion is great for vegging your plants. Another use for the leftover fish emulsion pulp, which I strongly recommend, is to return all of it in the 5-gallon bucket. Larger plants generally require more fertilizer than smaller plants so start your girls slow and work up. Just a note: When you do go fish scrap foraging, make sure you get the guts, too, if you can—this is where most of the decomp bacteria come from. This can become a quick starter for your next batch of fish scraps or wastes. I stop using it as soon as flowering begins. The leftover fish emulsion pulp already has plenty of active microbes in it. Sometimes, fish emulsion can have a bit of sediment and it is best to try and remove this when pouring into the sprayer. A lot of people on the rose forum use fish emulsion in a spray. The study showed that the fertilizer using fish emulsion, liquid seaweed, and blood meal had much success on hydroponic plants, including lettuce heads and tomatoes. Maybe having it on the leaves acts as a slow release because it's washed into the ground each time it rains. Like I stated in my post before, you can get raw fish scraps from several sources. I've always doubted the foliar feeding theory, whether it's fish emulsion or compost tea. The liquid that remains after processing is fish emulsion. In the North Carolina State University fish emulsion study, researchers used a type of fish emulsion with a 2-4-1 ratio. Here is one I like to use ; Water. Fish emulsion is derived from unused fish parts that would otherwise be wasted, therefore, it’s eco-friendly. Foraging for scraps is a little challenging, true. The amount of fish emulsion you put into the sprayer will depend on the concentration. If you want to make your own fish emulsion, use raw fish. It is a great nitrogen based fertilizer that keeps your garden GREEN! However, you don’t have to use this blend of ingredients. Fish emulsion can stink but deodorized versions, like Alaska, are available. The fish fertilizer is then stable to package and ship for use in the garden. Room temperature seems to work best to get a good incorporation of the fish emulsion into the water.