Great product good price

Aquarium substrate. I have Bichir’s and hate the way a bare bottom tank looks. I also disliked white sand in this aquarium. The grit is great. Large enough not to become concreted, small enough that it passes through the digestive system without issue on the rare occasion they swallow it. Rinse stir and repeat until oil slick is no longer visible. I let mine sit overnight in a tote just to make sure all residue was gone. Rinsed it one more time and added it to my aquarium. You cannot grow aquarium plants in this, but you can build up a rock structure mix with substrate designed for planted tanks/ or mix the black diamond with a substrate that is designed for plant and you have a beautifully green tank. I do suggest after putting the substrate in, you add about 5-6 inches of water stir it around softly and let it settle to make sure no air bubbles are stuck underneath the substrate. When you’re using a siphon clean tilt the barrel and pinch the hose too slow the flow of water so you’re not sucking up all your substrate. Takes a few times to get the hang of it. I also have not an issue with it getting pulled up in my filtration. Substrate color is primarily black with ticks of gold.

It’s sand, it’s black.

It works well, The reason I gave it three stars is because they keep on raising the price, it's almoslt three dollars cheaper per bag in another store but I don't want to drive fifty miles, just another thing I have to pay more.