First of all, mixing brands probably isn't the best idea but that isn't the end of the world. The Level Quick is a great product, I use it all the time and love it.
The product from Home Depot that you used is a rapid set version of self leveller. The key to using self levellers (especially the RS (rapid set) is you must use the primer. The primer is required by all makers of self levellers.
The primer serves two purposes. The first is to seal the substrate. This way the moisture from the mix can't prematurely migrate into the substrate. And secondly the primer is also a bonding agent for the mix and will prevent curling at the edges. Without the primer the moisture in the mix will wick-away into the substrate and cause premature drying. The premature drying causes surface tension and makes the mix harder to deal with.
Those are just some of the problems you have run into.
The next issue and the biggest mistake was not buying enough SLC. One fifty pound bag of SLC will cover fifty square feet at 1/8" thick. Your project should have had a minimum of five bags used.
The next thing is if the primer isn't used and the moisture is rapidly wicking away and you have used rapid set on top of all of that...the last thing you would want to do is to use a squeegee to try to move things around. The only time you do that is when you are trying to encourage the flow into a corner or around a floor penetration.
I can only imagine the mess you have now.
I should tell you that once you have done all of what you have done, you can not now go back and install anything like luaun plywood. You can't fasten it.
In my opinion your best-bet now is to bite the bullet and buy more self leveller and this time buy the primer also. Paint on the primer and let it dry. You then have twenty-four hours to install the self leveller.
I feel your frustration and I have no idea where you are getting your advice but if you will follow my suggestion you will be back on track. A little poorer but back on track.
The one thing you do have going for you now is the next application of SLC will be much easier to apply now that all the crap is out of the way.
Last edited by Bud Cline; Today at 08:32 PM.
Source: http://www.diychatroom.com/f5/kitchen-floor-concrete-nightmare-104277/
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