is a high-quality crushed product crafted for professional growers and home gardeners alike. It improves plant health, soil biology, and long-term sustainability in organic systems.
Function:
See original product listing below for complete nutrient breakdown and application instructions.
Calcium And Chitin
Crushed Bluff Oyster Shells composition is around 95% calcium carbonate. This is a great substitute to use for Ag lime with a number of other nutrients and micronutrients!
Bulk is available in 500kg and 1000kg quantities, email us at store@seaclifforganics.nz for a quote!
Recommended Usage:
Oyster shells will increase pH - Use a pH meter to keep your pH between 6.2-7.2
