GlobMarble Terra Cotta Iron Oxide Powder Concrete 1 lb Bag - High-Coverage Powder for Vibrant Color - Perfectly Suited for Concrete Color Pigment & Dye Applications

I couldn't really get a true black out of this pigment or close to black. The best I was able to achieve was a charcoal color, which isn't a big problem because charcoal is one of the more popular colors in the items that I sell. Still a good product at a good price, but definitely not black, even when you oversaturate your mixture with pigment. It definitely helps tone down the yellow hue of CementAll, even if you use this pigment to achieve a gray shade.I'm going to try the Supra Black next time and hopefully it will get me a shade closer to black, which I need for some of my trays.

My repair came out amazing. I was able to match the color, perfect.

A little goes a long way. I added it to a small tub of concrete patch to repair my terra cotta sidewalk. If youre trying to match what you already have be sure to wet existing cement to get the proper color match..as it lightens when dry.

I use this brand to color my white cement. I mix with water first then add my cement. Very concentrated and true to color. I have ordered alot of there colors. LOVE them.

If you are looking to add color to a stamped concrete patio, this stuff is great! One bag did the trick for us. I watched a how to video on YT to see how to apply to a stamped concrete patio that had faded and not been sealed in several years. Mix the powder with water in a watering can to the color pigment you want and then "water" it on the concrete while spreading it out with a broom. How much color you want to apply is up to you. You can get multiple colors and do a mix if you want. Once the color is how you like it, let it completely dry and put the concrete sealer in top. It was kind of a messy job, but it come out great!

This is the only pigment that i was able to tint diamond veneer plaster with true lamp black without affecting the strength and consistency (I’ve tried a hunch of universal colorants - they don’t work for diamond veneer) . Oxides work but they have ugly brown undertone. This is true charcoal deep black - as good as it gets.

Love the ability to dye cement well, lovely color

Buen color