Top 9 Crushed Oyster Shells – Garden Fertilizers

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1. Mile Four

#ad

Natural Crushed Oyster Shell Limestone for a Calcium Boost | Strong Eggshells & Healthier Chickens | 4 lbs., Mile Four | Oyster Shell for Strong Chicken Eggshells | 100% US Mined Limestone | Organic

#adMile Four #ad - 1 chicken = 1 lb. Oyster shell is an organic, natural way to give chickens the calcium boost needed to produce strong eggshells that will not break. Quantity varies by breed & weather; 1 lb.

Laying chickens need calcium: eggshells are 94-97% calcium carbonate. Taste & see the difference in your eggs: Or our humans will make it right. Stronger eggshells: get stronger, thicker, healthier eggshells from laying 20+ weeks chickens by boosting their calcium with oyster shell organic, all-natural calcium booster. Each month per laying chicken is average. Healthier for laying chickens: strengthen bones reduce bone break & damage, bolster blood vessels, boost immune systems, improve cardiovascular function & reduce egg breaking with oyster shell. Per month: laying chickens eat oyster shell as needed similar to grit & will not overeat.

Brand	Mile Four #ad
Manufacturer	Mile Four #ad
Height	5 Inches
Length	10 Inches
Weight	4 Pounds
Width	3 Inches
Part Number	oyster_shell_4

2. Four Winds Trading

#ad

Natural Crushed Oyster Shell with Calcium 4 lb

#adFour Winds Trading #ad - All natural crushed oyster shell. Wonderful amenity to any garden. Helps neutralize soil acidity. Slowly releases calcium, a much needed nutrient.

Brand	Four Winds Trading #ad
Manufacturer	Four Winds Trading #ad
Height	2 Inches
Length	7 Inches
Weight	4 Pounds
Width	7 Inches

3. Coastal

#ad

Oyster Shell Crushed 15lb. Bag by Coastal

#adCoastal #ad - Use as a calcium source to promote strong eggshells. Heat-treated for purity. Oyster shell is also helpful in creating more active habitats for soil microbes in compost piles and worm bins. Promotes strong eggshells. Contains pullet-sized crushed oyster shell and coral calcium. Pullet size crushed oyster shell 5 lb provides a good source of calcium that builds strong eggshells for your birds. Oyster shell provides a long-lasting, improve fertilizer uptake, steady release of nutrients to help regulate pH levels, promote healthy cellular structure and enhance soil tilth.

Brand	Coastal #ad
Manufacturer	Coastal #ad
Weight	5 Pounds
Part Number	6634772

4. Garden Naturals

#ad

10 Pounds All Natural Crushed Oyster Shells for Poultry Birds and Gardens, Garden Naturals

#adGarden Naturals #ad - Pure and Scent Free. Comes in heat sealed heavy duty bag. Works great in poultry feed. Crushed oyster shells Promotes Strong Egg Shell for Layers. Full of calcium.

Brand	Garden Naturals #ad
Manufacturer	Distributed by Garden Naturals #ad
Weight	0 Pounds

5. Garden Naturals

#ad

5 Pounds All Natural Crushed Oyster Shells for Poultry Birds and Gardens, Garden Naturals

#adGarden Naturals #ad - Pure and Scent Free. Works great in poultry feed. Comes in heat sealed heavy duty bag. Promotes strong Egg Shell for Layers. Full of calcium.

Brand	Garden Naturals #ad
Manufacturer	Garden Naturals #ad
Weight	5 Pounds

6. Old Cobblers Farm

#ad

Oyster Shell Crushed 5lb. Bag by Old Cobblers Farm

#adOld Cobblers Farm #ad - Oyster shell provides a long-lasting, improve fertilizer uptake, steady release of nutrients to help regulate pH levels, promote healthy cellular structure and enhance soil tilth.

Brand	Old Cobblers Farm #ad
Weight	5 Pounds

7. Manna Pro

#ad

Manna Pro Crushed Oyster Shell for Laying Hens, Laying Chicken Oyster Shell, 6-Pack of 5lbs

#adManna Pro #ad - Great source of calcium. Heat-treated for purity. Pullet size crushed oyster shell. Builds strong eggshells.

Brand	Manna Pro #ad
Manufacturer	Manna Pro #ad
Height	7 Inches
Length	15.5 Inches
Weight	30 Pounds
Width	9 Inches
Part Number	1030998
Model	1030998

8. Organically Done

#ad

Organically Done Oyster Shell Flour 5 lbs

#adOrganically Done #ad - Environmentally friendly- all organically done products are environmentally friendly. Made in america- organically done is a family owned business based in Michigan and all products are manufactured, packaged and distributed in the United States.

Organically done oyster shell meal contains a selection of micronutrients to keep your plants healthy. Chemical burn worry free- due to the organic nature of organically Done products all nutrients are slow release and readily available as the plant utilizes them. Grow all organic with Organically Done Oyster Shell Flour. You will not have to worry about burning your plants by overfeeding them nutrients as the plant will take what it needs as it needs it.

Add oyster shell flour to correct calcium in your soil. Organically done oyster shell flour is an all-natural calcium adjusting plant amendment. All organically done products are 100% derived from natural sources and are 100% guilt free. All products are safe to use around pets, family and wildlife. Oyster shell meal also corrects low pH in soil.

Brand	Organically Done #ad
Manufacturer	Organically Done #ad
Weight	5 Pounds
Part Number	ODOyster5

9. Pilot Brand Shells

#ad

Pilot Brand Shells Crushed Oyster Shell with Coral Calcium, 50 lb

#adPilot Brand Shells #ad - Increases the strength of your hens eggs. All-natural & organic shell processed under strict feed safety guidelines. Research shows that oyster Shells reduce bone fragility and that your laying hens will produce more eggs per hen consistently. Our all-natural organic oyster shells are recognized as the highest quality, most consistent form of calcium for poultry. The most reliable medium for making sure your hens get enough calcium in their diet. Quality grade feed that will help strengthen your egg shell and keep your birds healthy.

Brand	Pilot Brand Shells #ad
Manufacturer	Pilot Brand Shells #ad
Weight	50 Pounds