Sauna heater stones from Finland. These are edgy, crushed stones. The stone type is Olivine Diabase. That is the best and the most popular stone for sauna heaters, as it is very durable to the heat cycles (heating up, cooling down), resistant to shock cooling by pouring water on them, and most important of all, they retain a lot of heat.

One box contains 44 lbs of stones. Check what is the stone capacity of your heater, and calculate how many boxes of stones you will need.

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Ex: Shipping and return policies, size guides, and other common questions.

Use collapsible tabs for more detailed information that will help customers make a purchasing decision.

Ex: Shipping and return policies, size guides, and other common questions.