Technically, yes, you can install VOCOMP-30 over a floor treated with LIQUI-HARD but it is not recommended. The VOCOMP-30 bond...
Yes, Liqui-Hard Ultra can be used on fresh concrete and will serve as a curing aid.
Yes, either Liqui-Hard or Liqui-Hard Ultra would work. However, make sure there is no moisture present during application as this...
This is most likely the result of excess LIQUI-HARD ULTRA due to over-application. This is how the LIQUI-HARD ULTRA appears...