from LUNDERLAND company.
This alga calcium ( alga lime) is an important part of an healthy meat based food.
This lime is made from the sea alga Lithothanium Calcareum .
Percentage of Calcium and Phoshor is around 420:1

To neutralize the phosphor-overplus of raw meat you can use:
1 kg Beef heart: around 7g alga lime
1 kg green beef tripe: around 0,2g alga lime

This relations are just to neutralize the phosphor-overplus of raw meat and does not relat to the daily calcium nessecity of you pet.

Supplement for dogs