We have dark blue NPT waterline tiles with a deco accent as well. We are looking for a black or very near black grout. I have found the following:
www.mapei.com
Is this usable for a pool? Our pool builder normally uses SGM Security Polymer Grout - the above (to me) looks like a similar composition:
www.sgm.cc
Here is a mockup of our tiles (tiles installed - waiting on grout):

The black in the grout lines is self-stick felt to get a color feel - the gray in the one grout line is the darkest SGM color, called charcoal black (which is really gray like duct tape).
If the Mapei grout is not a recommendation - what grout is there that is black or near black?
-Tom

Ultracolor Plus Max
High-Performance, Rapid-Setting Grout with Maximized Color Depth and Color Consistency Ultracolor Plus Max is an ultra premium, fast-setting, polymer-modified, nonshrinking grout that offers rich and vibrant colors with maximized color depth and color consistency. This fine-aggregate grout can be…

Is this usable for a pool? Our pool builder normally uses SGM Security Polymer Grout - the above (to me) looks like a similar composition:

Security Polymer Grout - SGM, Inc.
SGM Security Polymer Grout is a polymer-modified Portland Cement-based grout designed to be used with all types of tile in joints from 1/8″ to 5/8″. Recent polymer innovations have made the need for liquid additives a thing of the past. SGM Security Polymer Grout eliminates mottling while being...

Here is a mockup of our tiles (tiles installed - waiting on grout):

The black in the grout lines is self-stick felt to get a color feel - the gray in the one grout line is the darkest SGM color, called charcoal black (which is really gray like duct tape).
If the Mapei grout is not a recommendation - what grout is there that is black or near black?
-Tom
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