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🦞 Feed your soil like a pro—naturally powerful, organically smart!
Neptune’s Harvest Organic Crab & Lobster Shell Multi-Purpose Plant Food is a premium 4 lb resealable bag of slow-release, nutrient-dense fertilizer made from natural crab and lobster shell meal. With 17-23% calcium, 1.3-1.7% magnesium, and rich chitin content, it enhances soil health, supports deep root growth, and naturally controls pests. Ideal for lawns, gardens, vegetables, and indoor plants, this OMRI-certified organic fertilizer promotes sustainable growth and improved soil structure across multiple growing seasons.
| ASIN | B006GK5ON6 |
| Application Method | Broadcast spreader |
| Best Sellers Rank | #16,356 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #512 in Garden Fertilizers |
| Brand | Neptune's Harvest |
| Brand Name | Neptune's Harvest |
| Coverage | Medium |
| Customer Reviews | 4.8 out of 5 stars 1,271 Reviews |
| Global Trade Identification Number | 00081435506046 |
| Included Components | Neptune's Harvest Crab & Lobster Shell, 4 lb |
| Item Form | Flake |
| Item Type Name | Neptune's Harvest Crab & Lobster Shell, 4 lb |
| Item Weight | 1.81 kg |
| Liquid Volume | 1.8 kg |
| Manufacturer | Neptune's Harvest |
| Mixing Ratio | 5-3-0 |
| Model Number | CS604 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | CS 604 |
| Specific Uses For Product | Plant Growth, Root Development, Seed Development, Soil Conditioning |
| Target Species | Bird |
| UPC | 081435506046 617407739725 |
| Unit Count | 64 Ounce |
| Warranty Description | Warranty |
S**A
Natural amendment for a garden and flowers
Real quality product. Smell like lobsters and ocean seashells (does not stink). Mix into soil when planting vegetables and flowers and every year around fruit trees and grapes. Purchased twice and definitely will continue to buy as it is natural amendment for our garden.
C**G
Good Natural Fertilizer
Fair price, allegedly all natural fertilizer. I suggest adding it when preparing the soil with other natural fertilizers. Takes time to break down.
P**T
Strong Odor
Be prepared for the strong fishy smell. It'll attract flies to your garden. Once I covered veggie plants with mulch, it cut down the fishy odor. I'm assuming it's working. This is my first time using the product.
D**E
Works Beautifully
It definitely helped my tomatoe plants here in Eastern NC. I just bought some more for growing microgreens and was a bit disappointed at how chunky it is compared to my first order. A little more powdery would be helpful. Maybe I got the top of the barrel this time around. Otherwise very happy with the product and its results
E**E
Beware of purchase.
Let me start by saying… I absolutely love this product. That being said, I am completely dissatisfied with my last purchase. It appears Neptune Harvest now has joined the list of businesses hiking prices while shorting the customer. The product is now finely ground, and clearly has filler added. Shame on you, Neptune Harvest.
R**E
Fertilizer
So far having a good season
J**R
It works!
This is a fantastic fertilizer!
K**N
Absolutely
How could you not like this stuff. It’s natural and plants love it. No synthetic fertilizers. Makes you feel more comfortable eating right out of the garden
A**R
Five Stars
This has made a fantastic addition to my organic soil mix.
Trustpilot
2 months ago
3 days ago