Oyster Shell Flour (Replacement for Dolomite Lime)

Rated 5.0 out of 5
39 Ratings

SF101

Title

Oyster Shell Flour A high quality soil conditioner which consists of 96% calcium carbonate and many micronutrients, Oyster Shell provides a long-lasting, steady release of nutrients to help regulate pH levels, improve fertilizer uptake, promote healthy cellular structure and enhance soil tilth. Oyster Shell is also helpful in creating more active habitats for soil microbes in compost piles and worm bins.

This product is not what it would appear from the name, i.e. it's not a product made from crushed oyster shells but rather it's a particular oyster shell mined from the San Francisco Bay from ancient sea deposits made up of very tiny and fragile oyster shells. 

FREE SHIPPING on select Oyster Shell Flour!

Coming Soon!

For soil building or top dressing, apply at a rate of 1 cup per cubic foot of soil.

Oyster Shell Flour (Replacement for Dolomite Lime)

4 lb - Small Bag:

Dimensions: 8" x 5" x 3.5"

Weight: 4.1 lbs

13 lb - Large Bag:

Dimensions: 12.5" x 8.5" x 5.25"

Weight: 13.0 lbs

25 lb Food Grade Bucket:

Dimensions: 12.5" x 12.5" x 15"

Weight: 25.0 lbs

50 lb Bag:

Dimensions: 20.75" x 14" x 5.25"

Weight: 50.0 lbs

Related Items


average rating 5.0 out of 5
Based on 39 ratings
  • 5 Stars
    38 Reviews
  • 4 Stars
    1 Review
  • 3 Stars
    0 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    0 Reviews
100% of reviewers would recommend this product to a friend
27 Reviews
Rated 5 out of 5
Review posted

A must have!

For a living soil this is an absolute must have product, I was using down to earth for a little bit and the quality of build a soil brands oyster shell is unsurpassed. Will definitely be ordering a lot more of this in the future.

Loading...
Was this helpful?
Rated 5 out of 5
Review posted

oyster shell flour

ran this as a replacement for dolomite lime, and i’ve got happy healthy plants to show for it. buildasoil products are always top quality.

Loading...
Was this helpful?
Rated 5 out of 5
Review posted

Good product

Looked good

Loading...
Was this helpful?
Rated 5 out of 5
Review posted

Great dolomite replacement

Bc it’s a fine powder it makes the calcium readily available to the plants. Great amendment

Loading...
Was this helpful?
Rated 5 out of 5
Review posted

Good quality

Fast shipping and good consistency. A+

Loading...
Was this helpful?