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🌱 Elevate your plants to pro-level growth with Sea-K’s oceanic nutrient boost!
Seaweed and Kelp Fertilizer by Greenleaf Nutrients is a 200g ultra-concentrated, 100% water-soluble powder that produces up to 700 liters of nutrient solution. Extracted via advanced low-temperature enzymatic hydrolysis from premium kelp species, it delivers over 70 vitamins, minerals, and enzymes, including 18% soluble potassium, to enhance plant stress resistance, flowering, fruit quality, and root development. Certified organic by OMRI and EU ECOCERT, it’s compatible with all growing media and irrigation systems, making it a must-have for professional and organic growers aiming for superior yields.
| ASIN | B096L9TP26 |
| Best Sellers Rank | 16,971 in Garden ( See Top 100 in Garden ) 173 in Multi-Purpose Fertilisers |
| Brand Name | Greenleaf Nutrients |
| Country of Origin | USA |
| Coverage | Full |
| Customer Reviews | 4.6 4.6 out of 5 stars (506) |
| Item Form | Powder |
| Item Weight | 200 Grams |
| Manufacturer | Greenleaf Nutrients |
| Mixing Ratio | 1:8 |
| Model Number | 742776993208 |
| Number of Items | 1 |
| Part Number | Sea-K-200g pouch |
| Specific Uses For Product | Plant Growth |
| Target Species | plants |
| UPC | 742776993208 |
| Unit Count | 200.0 gram |
R**G
Excellent quality
Excellent quality
M**Y
I will buy again.
Hard to be objective here as I probably need to wait all season. What I will say is, my plants are thriving after several have been potted on. Wear a mask when using though, the powder is superfine and is a bit of an irritant if inhaled. Does NOT block my superfine can rose.
J**E
Cheap and plants love it.
This plant food is very effective. Its also great value for money as its in powdered form, so your not paying for a diluted product. It comes in a small packet and looks quite funky with that artwork. It has a definite smell which some people may not like, but I think all kelp products share this trait.
S**R
Good quality
Good product - have used before
S**M
Quality
Great for succulents, lithops and cactus. Goes a long way. Value for money
D**D
Excellent 👌
Bang on for the money very good plants love this
M**O
Good stuff
Really nice product I suggest you will use it
B**T
Very good and strong
Wry good quality and super strong definitely add less than half of the recommended amount it’s strong
T**G
Great product acts like an innoculent to boost growth and supply organic matter to plants, boosts production,love it every gardeners helper
P**A
Bought this in June 2025 as an avid orchid collector. They say it takes a bit to truly observe the long term effects of proper fertilizing in your orchid collection which has been true in my experience. All I can say is, this is absolutely a staple in my orchid growing routine now. I use half a teaspoon per gallon because regular and lower dosage is better for orchids IMO. Anyway, the blooms I've had since I began using this a little under a year ago have been some of the strongest in my collection. Orchids that struggled to bloom again are spiking etc. Highly recc.
L**N
Efficace, j'ai même fait refleurir une orchidée
M**Z
I have never seen worm castings in my soil. Been using this every 3 weeks, for 3 about three months and I am seeing worm castings. Alot of people don't like worm castings because they are not pretty, but I love them because it tells me my soil is rich with microbes and worms naturally aerate the soil. This product works very well, super highly concentrated that goes a long way!
D**R
Worked great for getting my small tricho seedlings a boost. Using only have the dose this stuff can go along way.
Trustpilot
2 days ago
2 months ago