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How
to cast the “stone” in the mould
At this point we’ll start using special products not found
in every household.
It’s also important to note that these products are in use
in Finland. You might find equivalent products with different names
in your country.
Information on products found in the US market you can find in
a discussion
at the Aquatic Gardeners forum.
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• Sika Top Seal 107
special plaster. This is drinking water approved
and therefore usable in the fish tank without any cover layer.
Sika plaster is sold in huge sacks. It might be a good idea
to get together with friends, such as those from an aquarium
society, rather than buying the whole sack alone.
• Earth
colour powder dye, with which the plaster can be
dyed a required shade. These are sold in small packages by
Uula-tuote in Finland.
• “Aquarium
lacquer” NM Klarlack FS 023/80, is imported
by Tremco Finland Oy. You can order this from your closest
paint seller if it’s not on the shelf. This is used
to strengthen the inner surface of the stones but can be replaced
with other products, for example fibreglass, as long as it
is not poisonous to the fish!
• NM TIX
150 thickening product. This is used to thicken the
lacquer or binding agent, so that you can get thicker layers
with one brush stroke. Use a mask when handling TIX because
it’s powder and very light dust.
• White
Vaseline. This is used for peeling when taking off
the mould.
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