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Frequently-Asked-Questions (FAQ)
SaunaStones:
Sauna concentrate:
Sauna salt:
Wich granite
is most suitable for sauna stones?
When selecting sauna stones, you should watch out for good
quality. So nowhere near every granite is suitable for the production of sauna
stones. On our behalf the company Geologischer Dienst (www.geodienst.de),
Dr. Olaf Otto Dillmann, produced an expert geological report on the subject of
“the thermal resilience of sauna stones”. For this, the rock types
olivine diabase
and olivine were critically analysed for their thermal resilience. The most
important criterion for a sauna stone is the structure, i.e. the arrangement of
the minerals and the mineralogical composition itself. Due to its bands of
feldspar, which are layered in a complex way, olivine diabase possesses a
structure which makes the stone
exceptionally resistant to extreme temperature
fluctuations.
In addition, it also possesses an extremely high heat
retention capacity.
However, the pure mineral olivine has a tendency to shatter
under high stress – and thus also under thermal stress – which damages the
structure of the rock. Sauna stones with an olivine content of more than 40% are
regularly inclined to porous flaking. For this reason, the maximum olivine
content of sauna
stones should not be more than 20 %.
The olivine diabase rock used by the company SaunaSteine.de
has an olivine content of between 15 and 16 %.
How is soft
sauna steam created?
For soft sauna steam, the vapour water penetrates between
the round stones to the layer of “normal” stones. This means that all the sauna
stones come into contact with the vapour (Löyly). So water from the lower stones
evaporates too. This creates the soft sauna steam.
1. Possibility:
The stove is 2/3 filled with traditional olivine diabase stones, and the top third with round stones of the same quality. The vapour water then flows between the smooth round stones onto the evaporation area of the lower stones. Soft sauna steam is created.
2. Possibility:
The entire receptacle space of the sauna stove is filled with round olivine diabase stones. This type of application also causes evaporation of the water on all the stones, and as a result sufficient soft heat is distributed in the sauna room. For this process the capacity of the stone receptacle must be at least 20 kg.
When should sauna stones be replaced?
The stones should be examined from time to time. The stones
lying at the top often look better than the ones underneath. The stones which
lie directly on the heating elements are exposed to extreme stresses because the
heat is released most strongly here. The Löyly water also has an impact here.
The substantial changes in temperature cause cracks in the stone. The stones
should be replaced as needed, but in private equipment after two years at the
latest.
Why should
sauna stones be replaced?
The main reason why it is necessary
to replace sauna stones is the fact that the stones are heated to several
hundred degrees and are cooled with a shock impact when the vapour is poured
onto them. This causes fragments to flake off from the rock, which can fall onto
the floor of the sauna or even prevent the circulation of air between the
heating elements and the surroundings. This in turn results in the heating rods
wearing out.
Additives in scented and other
vapours and hard water block the pores in the stones. This substantially
obstructs the formation of steam and also has an adverse effect on the
appearance of the stones.
Can sauna
stones be cleaned?
People often try to clean sauna stones using brushes or
chemicals (de-scaling agents).
However, this is only recommended to a limited extent. You may well be able to
remove external scaling from sauna stones using a wire brush, but the pores of
the sauna stones will remain blocked. We would emphatically discourage you from
soaking the sauna stones in chemicals, as you will not be able to remove these
substances from the stones without leaving a residue. This will result in
residues of the cleaning agents being contained in the sauna steam and thus
directly entering your lungs.
How many sauna stones do I need for my stove?
It is very difficult to accurately specify the quantity of
stones remotely. This chiefly depends on the type of construction of your stove.
Sauna stoves are usually completely filled with sauna stones, but there are also
models in which only a few stones are placed on the stove. In many cases the
quantity of stones required is indicated on the identification plate or in the
stove instructions. Generally 20 kg are needed for sauna stoves with a capacity
of 6 to 7 kW, and 40 kg for stoves with a capacity of 9 kW. If you do not know
the volume of your stone container, the following information might help you to
calculate this: Our 20 kg cartons are completely full and have a volume of 0.024
m³.
What about the composition data of our stones?
This data was obtained by the Geological Survey of Finland
(fre.9394, Ka 33/94/11).
Our sauna stones contain no asbestos or other hazardous substances!
What effect
do the various fragrances have?
You can find a summary of the effects of our fragrances here.
In the sauna:
Wait till you are sweating well, then rub your body thoroughly with sauna salt.
This gentle peel will rub off any encrusted or dead cells in the upper layers of
the skin quickly and naturally. Please do not use on the face or in the intimate
area. You should also not apply salt to any open wounds or freshly shaved skin.
You can then treat yourself to one or two more sauna sessions using exfoliating
salt on your skin. While you are taking your sauna, the salt “melts” on your
body and enables your skin to absorb important minerals and trace elements from
the salt. After your sauna you should not shower straight away, but if possible
go for a walk in the fresh air.
This is because your skin pores are particularly wide open at this point and
your skin can really breathe.
Finally, simply shower off the remaining salt residues with cold or warm water,
without using soap or shower gel. Treat yourself to a rest afterwards so as to
increase the beneficial effects while you unwind further. You won’t need to
apply any further body lotion as your skin will be soft and smooth, and will
retain a silky appearance for a long time.
In the shower:
After taking a shower, rub our sauna salt in thoroughly.
This gentle peel will rub off any encrusted or dead cells in the upper layers of
the skin quickly and naturally. Please do not use on the face or in the intimate
area. You should also not apply salt to any open wounds or freshly shaved skin.
Give your skin a short while to absorb the valuable minerals and trace elements
from the salt. Then shower the salt off thoroughly, and enjoy the fresh tingling
sensation on your skin. Your skin will be soft and smooth.