FAQ
Can the AI 770 cleaner be used for removing white tarnish from cement joints?
Yes, it can. However, please note that using the product in high concentration may lead to discolouration of cement joints. Hence, the product should be tested first in allowed concentrations, starting from the lowest one. It is recommended to dilute the product with water, in proportion 1:1 to 1:5 (cleaner : water). Furthermore, remember that the product may be reused, if necessary, only after a several-day break.
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