Seaweed & Kelp

Seaweed fertilizer and kelp fertilizer are two great options for growers that want to remain veganic and maintain a low impact on the environment, while still utilizing a very effective organic fertilizer. Seaweed or kelp meal is suitable for both soil and hydroponic gardens.

What is seaweed fertilizer good for?

Prized for its macronutrient and diverse micronutrient profiles, seaweed fertilizer and kelp fertilizers deliver a fair dose of nitrogen and potassium, which is great for leafy, vegetative growth. They also lead to increased flower production down the line. Kelp meal products also contain phosphorus, which helps develop a strong, healthy root system.

Is seaweed feed high in nitrogen?

Seaweed feed is very high in Nitrogen, but it isn't necessarily a nitrogen dominant nutrient. Most of the seaweed and kelp fertilizers you'll run into have a pretty even balance of nitrogen and potassium, with minimal or no phosphorus. This is why these organic products are great for vegetative growth.

Can you put seaweed straight on the garden?

Some growers are lucky enough to live along the coast, with a seemingly unlimited supply of seaweed at their disposal straight from the ocean. They often ask, can you put seaweed straight on the garden?

In theory, yes, you can use this seaweed to feed your plants. But we would be hesitant to do so. The reason for this is because when you purchase a seaweed or kelp fertilizer, you know exactly what you are getting. On the other hand, there is no way to tell if the seaweed is contaminated, or what it really is.

Plus with liquid seaweed fertilizer, dosing is much easier. Just throwing clumps of kelp or seaweed into your soil and waiting for it to compost isn't a great strategy.

What is the best seaweed fertilizer?

Here at Hydrobuilder, we carry the best seaweed and kelp fertilizers at the lowest prices. You can shop for popular brands such as Down To Earth, Emerald Harvest, Earth Juice, Fox Farm, General Organics, Roots Organics, and more.

If you are looking for the very best seaweed fertilizer, stick with one that is OMRI Listed. This means it is as organic as it gets, tested to the most stringent protocol there is.

For more information on Plant Nutrients and Fertilizer, as well as supplements and additives like seaweed and kelp, visit our learning center! If you ever have any questions, feel free to reach out to us at 888-815-9763 and let our experienced growers assist you!

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