In concrete blocks and partly of natural stones are often seen in the whitish efflorescence over time - this is an ugly picture and everybody wants to remove the stains you.
This is mostly here to lime or Salpeterausblühungen.
In concrete blocks is really clear to everyone - is the from the stone, so has the cement and lime and they bloom just off - but what's in stone?
Here come the efflorescence of the underground - the minerals are dissolved by moisture and transported through the rock to the surface - this is particularly hard to see at the interface.
For new installations, this is seen not long because of the (acid) rain cleans the land, and only over time is not the "natural" cleaner longer control the quantities and the salts are deposited on the surface - the result is white efflorescence.
from all acid resistant natural stone (granite, gneiss, sandstone, quartzite - and of course all the concrete blocks), these efflorescence easily removed.
is really important only to the surface and especially the joints, pre-wetted. This allows the cleaner or the cleaned-off pollution can not penetrate the capillaries of the stone and thus lead again to new efflorescence. Furthermore, the pollution is then rinsed with water for easier (possibly adding a base cleaner). dry cleaner
and the resulting dirty water under any circumstances leave.
Recommended Products:
for outdoor use - R-more stone cleaner, acid cleaner for Alround concrete stone, clinker; Concentrate; for outdoor
for internal use - R-MILD very mild acid-based cleaner with special cleaning-active additives and rust protection component, therefore, particularly suitable for stainless sensitive hard rock.
both areas for cleaning - R-GRU acid-free cleaner for all types of stone, for marble and limestone, inside and out
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