Discoloration - white or cloudy efflorescence-like markings caused by trapped moisture Peeling - attributable to humidity-vapor, contamination or more than-software of your sealer Streaks/Traces - attributable to the sealer drying too speedily during application Sometimes, these problems can be set by applying a refreshing coat of sealer on the concrete, https://bitmainantminerl7916gh50789.blogolize.com/the-2-minute-rule-for-concrete-sealing-69090929