Why use FAST2K on Wood Post Instead of Concrete ? Fencing Dream

So I get this question a lot is why are We using fast 2K and not con It's easy to mix Unlike concrete you have to have some Sort of container water and it weighs 80 Pounds This weighs about seven pounds It has Superior holding power it also Keeps water and oxygen away from the Post so that it won't rot Just pour it in the hole and let it rise It takes about five minutes in between Pores if you need more than one bag at a Time in our case we're pouring two bags And it takes five minutes between the Next two bags 30 minutes after it's cured it is ready To build on you just take your shovel or Spade and chop off the excess and it is Ready to go clean up is just a trash bag