Oyster shells 5kg

Description

Oyster Shells 5kg

Premium Quality Oyster Shell Halves

As Used By All The Best Koi Breeders In Japan

These are the best quality Large Oyster Shell Halves available, each Oyster shell is of a premium quality and full size.Oyster shell Halves are used to buffer and maintain a constant pH in your Koi pond.

Note
Ideally used within a submerged media filter or shower filter