An unused Yard Mastery Soil Test Kit will last for years, there is basically no expiration date.
Purchasing multiple kits at one time and using one now and another the following year will not impact the effectiveness of the kit.
It is recommended to store unused kits indoors to keep them out of extreme conditions such as extreme heat or freezing temperatures.
Looking to purchase a Soil Test Kit? You can find our available options at the link below:
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