Ecocentric = an adjective used to describe a state of mind; of a person, or a social group, who is, or are: Committed to Making a Positive Contribution to The Survival of Mankind And The Eco-System Which Supports Us.
Effects. When fast-setting concrete mix is used, setting takes place in 20 to 40 minutes. Typically, you can apply some weight to the posts after 4 hours, but it's a good idea to wait at least 24 hours before resuming fence construction.
Can I dump my pre-mix concrete in post hole or must I mix it first? Customer Question: My question deals with setting 4x4 pressure treated fence posts with concrete. I was wondering how important it is to mix the pre-mix  concrete before I set my posts. I would like to take the easy way out and just add about 80 pounds of pre-mix without mixing it.