One natural mineral granule mostly contained SiO2 and AlO3, can activate, purify and mineral water quality. It is mainly used for domestic cultivating flowers in vases and improving water quality of aquarium for fishes. It is beneficial for growth of plants and survival health of fishes.
Putting tourmaline sand into domestic aquarium for fishes, the water quality can be obviously improved, which is very fit for survival and health of fishes.
Product Sort :
1、Tourmaline Granule 10-15mm
2、Tourmaline Granule 30-50mm
3、Tourmaline Granule 10-50mm