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Kiryuzuna (2-5mm)

3.0032.51 *

Kiryuzuna (2-5) is a zeolite of Japanese origin that is obtained from mountain sand. It comes from the decomposition of volcanic gravel and has a pH of 6.5 to 6.8, making it particularly suitable for acidophilic plants. Kiryuzuna is collected and dried, heated to remove organisms and pests, and pulverized into different sizes.

Medium chemical analysis:
The chemical analysis of kiryuzuna, turns out to be an average between the two proposed analyses, which are respectively: the first related to dark-colored granules and the second related to light-colored granules.
Dark-colored granules
Oxygen (O): 58.83%;
Silicon (Si): 24.70%;
Aluminum (Al): 7.18%;
Phosphorus (P): 0.12%;
Potassium (K): 0.32%;
Magnesium (Mg): 0.38%;
Iron (Fe): 2.25%;
Calcium (Ca): 0.86%;
Titanium (Ti): 0.21%;
Sodium (Na): 0.57%;
Carbon (C): 4.50%;
Manganese (Mn): 0.01%;
Thallium (Tl): 0.06%.
Light-colored granules
Oxygen (O): 53.84%;
Silicon (Si): 16.84%;
Aluminum (Al): 14.52%;
Phosphorus (P): 0.09%;
Potassium (K): 0.11%;
Magnesium (Mg): 0.10%;
Iron (Fe): 0.83%;
Calcium (Ca): 8.47%;
Titanium (Ti): 0.10%;
Sodium (Na): 1.52%;
Carbon (C): 3.58%;
Manganese (Mn): 0.01%;
Thallium (Tl): 0.00%.

Technical characteristics
pH: between 6.5 and 6.8

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