Oyster Shell Mix 150g Miyagi Prefecture Oyster Shell

Oyster Shell Mix - Calcium Supplement for Birds and Gardening

Special offers are available for repeat customers. Please contact us via comment before purchasing if possible.
We also have the same item listed on Yahoo! Flea Market.

This product is a mix of powdered oyster shell and pieces up to approximately 4mm in size. It consists of about 30-40% powder and 60-70% pieces ranging from 0.5mm to 4mm.
150g of this product measures approximately 150ml.

Ideal for calcium supplementation for small birds like finches and chickens, and for adjusting the pH of garden soil.
Due to the presence of powder, it may not be suitable for use as aquarium filter media.

For those who wish to provide only smaller sizes, especially for small birds like society finches and Bengalese finches, we can sieve the product to powder up to 2mm. Please send us a message if you require this.

Prices and quantities are as follows. If you need more than 200g, please comment with your desired quantity, and we will adjust the price. We have plenty of stock.
●150g: 300 yen
●200g: 330 yen
●300g: 390 yen
●400g: 450 yen
●500g: 500 yen
●750g: 640 yen
●1000g: 760 yen
●1500g: 1000 yen
●2000g: 1260 yen
●3000g: 1700 yen

We also sell products sorted by grain size.
Sample packs of coarse, powder, or fine sizes are available as trial portions. Please comment if you would like one.

The oyster shells have been desalted, heated to approximately 500 degrees Celsius, dried, and sterilized. The main component of oyster shells is calcium carbonate.

Ingredients: Oyster Shell (Miyagi Prefecture)
Alkalinity: 50.0%
Nitrogen: 0.2%
Phosphoric Acid: 0.15%
Potassium: 0.03%
Calcium: 94.8%
Magnesium: 0.40%
Silica: 3.09%
Also contains trace amounts of manganese, boron, zinc, copper, iron, molybdenum, etc.

While oyster shells do not have an expiration date when used as feed for animals, we recommend using them within 2 years of opening as a precaution.