Answer
Apr 13, 2023 - 12:11 PM
Apply Efflo-Remover to a small area at a time, so that the acid does not dwell for long periods of time , wait for Efflo-Remover to stop fizzing (App. one minute) before pressure washing. For best results use a pressure washer to remove the whitish calcium deposits. Always test Efflo-Remover to a small area with the ratio of water to acid. (Example 4 parts water to 1 part Efflo-Remover) and adjust to the severity of the efflorescence to be removed.
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